VYPR

Vendor CVEs

Zyxel

All CVEs

339 total · sorted by risk
  • CVE-2016-1307MedFeb 7, 2016
    risk 0.35cvss 5.4epss 0.01

    The Openfire server in Cisco Finesse Desktop 10.5(1) and 11.0(1) and Unified Contact Center Express 10.6(1) has a hardcoded account, which makes it easier for remote attackers to obtain access via an XMPP session, aka Bug ID CSCuw79085.

  • CVE-2025-6599MedNov 18, 2025
    risk 0.34cvss 5.3epss 0.00

    An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an attacker to perform Slowloris‑style denial‑of‑service (DoS) attacks. Such attacks may temporarily block legitimate HTTP…

  • CVE-2024-38270MedSep 10, 2024
    risk 0.34cvss 5.3epss 0.00

    An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight…

  • CVE-2023-35139MedNov 28, 2023
    risk 0.34cvss 5.2epss 0.00

    A cross-site scripting (XSS) vulnerability in the CGI program of the Zyxel ATP series firmware versions 5.10 through 5.37, USG FLEX series firmware versions 5.00 through 5.37, USG FLEX 50(W) series firmware versions 5.10 through 5.37, USG20(W)-VPN series firmware versions 5.10…

  • CVE-2022-38546MedDec 21, 2022
    risk 0.34cvss 5.3epss 0.01

    A DNS misconfiguration was found in Zyxel NBG7510 firmware versions prior to V1.00(ABZY.3)C0, which could allow an unauthenticated attacker to access the DNS server when the device is switched to the AP mode.

  • CVE-2020-15346MedSep 29, 2022
    risk 0.34cvss 5.3epss 0.01

    Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a /live/GLOBALS API with the CLOUDCNM key.

  • CVE-2020-15345MedSep 29, 2022
    risk 0.34cvss 5.3epss 0.01

    Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has an unauthenticated zy_get_instances_for_update API.

  • CVE-2020-15344MedSep 29, 2022
    risk 0.34cvss 5.3epss 0.01

    Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has an unauthenticated zy_get_user_id_and_key API.

  • CVE-2020-15343MedSep 29, 2022
    risk 0.34cvss 5.3epss 0.01

    Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has an unauthenticated zy_install_user_key API.

  • CVE-2020-15342MedSep 29, 2022
    risk 0.34cvss 5.3epss 0.01

    Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has an unauthenticated zy_install_user API.

  • CVE-2020-15330MedSep 29, 2022
    risk 0.34cvss 5.3epss 0.01

    Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded APP_KEY in /opt/axess/etc/default/axess.

  • CVE-2020-15326MedSep 29, 2022
    risk 0.34cvss 5.3epss 0.01

    Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded certificate for Ejabberd in ejabberd.pem.

  • CVE-2020-15325MedSep 29, 2022
    risk 0.34cvss 5.3epss 0.01

    Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded Erlang cookie for ejabberd replication.

  • CVE-2025-3577MedApr 22, 2025
    risk 0.33cvss 4.9epss 0.12

    **UNSUPPORTED WHEN ASSIGNED** A path traversal vulnerability in the web management interface of the Zyxel AMG1302-T10B firmware version 2.00(AAJC.16)C0 could allow an authenticated attacker with administrator privileges to access restricted directories by sending a crafted…

  • CVE-2025-11848MedFeb 24, 2026
    risk 0.32cvss 4.9epss 0.02

    A null pointer dereference vulnerability in the Wake-on-LAN CGI program of the Zyxel VMG3625-T50B firmware version through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator privileges to…

  • CVE-2025-11847MedFeb 24, 2026
    risk 0.32cvss 4.9epss 0.02

    A null pointer dereference vulnerability in the IP settings CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator…

  • CVE-2025-11846MedFeb 24, 2026
    risk 0.32cvss 4.9epss 0.01

    A null pointer dereference vulnerability in the account settings CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator…

  • CVE-2025-11845MedFeb 24, 2026
    risk 0.32cvss 4.9epss 0.01

    A null pointer dereference vulnerability in the certificate downloader CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator…

  • CVE-2024-9197MedDec 3, 2024
    risk 0.32cvss 4.9epss 0.00

    A post-authentication buffer overflow vulnerability in the parameter "action" of the CGI program in Zyxel VMG3625-T50B firmware versions through V5.50(ABPM.9.2)C0 could allow an authenticated attacker with administrator privileges to cause a temporary denial of service (DoS)…

  • CVE-2024-38269MedSep 24, 2024
    risk 0.32cvss 4.9epss 0.00

    An improper restriction of operations within the bounds of a memory buffer in the USB file-sharing handler of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory…

  • CVE-2024-38268MedSep 24, 2024
    risk 0.32cvss 4.9epss 0.00

    An improper restriction of operations within the bounds of a memory buffer in the MAC address parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions,…

  • CVE-2024-38267MedSep 24, 2024
    risk 0.32cvss 4.9epss 0.00

    An improper restriction of operations within the bounds of a memory buffer in the IPv6 address parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions,…

  • CVE-2024-38266MedSep 24, 2024
    risk 0.32cvss 4.9epss 0.00

    An improper restriction of operations within the bounds of a memory buffer in the parameter type parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions,…

  • CVE-2024-6343MedSep 3, 2024
    risk 0.32cvss 4.9epss 0.01

    A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware…

  • CVE-2023-22924MedMay 1, 2023
    risk 0.32cvss 4.9epss 0.01

    A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.

  • CVE-2021-35035MedDec 29, 2021
    risk 0.32cvss 4.9epss 0.01

    A cleartext storage of sensitive information vulnerability in the Zyxel NBG6604 firmware could allow a remote, authenticated attacker to obtain sensitive information from the configuration file.

  • CVE-2023-27990MedApr 24, 2023
    risk 0.31cvss 4.8epss 0.00

    The cross-site scripting (XSS) vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series…

  • CVE-2022-40603MedDec 6, 2022
    risk 0.31cvss 4.7epss 0.00

    A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31,…

  • CVE-2026-7257MedMay 12, 2026
    risk 0.29cvss 4.4epss 0.00

    ** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacker with administrator privileges to download and decrypt a backup configuration…

  • CVE-2026-6058MedApr 21, 2026
    risk 0.29cvss 4.5epss 0.00

    ** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the WLAN to cause a denial-of-service (DoS) condition in the web management interface by…

  • CVE-2024-8882MedNov 12, 2024
    risk 0.29cvss 4.5epss 0.00

    A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to cause denial of service (DoS) conditions via a crafted URL.

  • CVE-2023-4397MedNov 28, 2023
    risk 0.29cvss 4.4epss 0.00

    A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator…

  • CVE-2022-45440MedJan 17, 2023
    risk 0.29cvss 4.4epss 0.00

    A vulnerability exists in the FTP server of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0, which processes symbolic links on external storage media. A local authenticated attacker with administrator privileges could abuse this vulnerability to access the root file system…

  • CVE-2022-45854MedFeb 7, 2023
    risk 0.28cvss 4.3epss 0.00

    An improper check for unusual conditions in Zyxel NWA110AX firmware verisons prior to 6.50(ABTG.0)C0, which could allow a LAN attacker to cause a temporary denial-of-service (DoS) by sending crafted VLAN frames if the MAC address of the vulnerable AP were intercepted by the…

  • CVE-2016-1317MedFeb 9, 2016
    risk 0.28cvss 4.3epss 0.01

    Cisco Unified Communications Manager 11.5(0.98000.480) allows remote authenticated users to obtain sensitive database table-name and entity-name information via a direct request to an unspecified URL, aka Bug ID CSCuy11098.

  • CVE-2021-35030LowJul 26, 2021
    risk 0.23cvss 3.5epss 0.00

    A vulnerability was found in the CGI program in Zyxel GS1900-8 firmware version V2.60, that did not properly sterilize packet contents and could allow an authenticated, local user to perform a cross-site scripting (XSS) attack via a crafted LLDP packet.

  • CVE-2008-2167May 13, 2008
    risk 0.04cvss epss 0.17

    Cross-site scripting (XSS) vulnerability in ZyXEL ZyWALL 100 allows remote attackers to inject arbitrary web script or HTML via the Referer header, which is not properly handled in a 404 Error page.

  • CVE-2004-1789Dec 31, 2004
    risk 0.04cvss epss 0.11

    Cross-site scripting (XSS) vulnerability in the web management interface in ZyWALL 10 4.07 allows remote attackers to inject arbitrary web script or HTML via the rpAuth_1 page.

  • CVE-2004-1540Dec 31, 2004
    risk 0.04cvss epss 0.07

    ZyXEL Prestige 623, 650, and 652 HW Routers, and possibly other versions, with HTTP Remote Administration enabled, does not require a password to access rpFWUpload.html, which allows remote attackers to reset the router configuration file.

  • CVE-2014-4162Jun 16, 2014
    risk 0.03cvss epss 0.03

    Multiple cross-site request forgery (CSRF) vulnerabilities in the Zyxel P-660HW-T1 (v3) wireless router allow remote attackers to hijack the authentication of administrators for requests that change the (1) wifi password or (2) SSID via a request to Forms/WLAN_General_1.

  • CVE-2007-4318Aug 13, 2007
    risk 0.03cvss epss 0.02

    Cross-site scripting (XSS) vulnerability in Forms/General_1 in the management interface in ZyNOS firmware 3.62(WK.6) on the Zyxel Zywall 2 device allows remote authenticated administrators to inject arbitrary web script or HTML via the sysSystemName parameter.

  • CVE-2007-1586Mar 21, 2007
    risk 0.03cvss epss 0.03

    ZynOS 3.40 allows remote attackers to cause a denial of service (link restart) by sending a request for the name \M via the SMB Mail Slot Protocol.

  • CVE-2006-3929Jul 31, 2006
    risk 0.03cvss epss 0.03

    Cross-site scripting (XSS) vulnerability in the Forms/rpSysAdmin script on the Zyxel Prestige 660H-61 ADSL Router running firmware 3.40(PT.0)b32 allows remote attackers to inject arbitrary web script or HTML via hex-encoded values in the a parameter.

  • CVE-2002-1072Oct 4, 2002
    risk 0.03cvss epss 0.03

    ZyXEL Prestige 642R 2.50(FA.1) and Prestige 310 V3.25(M.01), allows remote attackers to cause a denial of service via an oversized, fragmented "jolt" style ICMP packet.

  • CVE-2002-1071Oct 4, 2002
    risk 0.03cvss epss 0.03

    ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.

  • CVE-2001-1194Dec 14, 2001
    risk 0.03cvss epss 0.03

    Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.

  • CVE-2026-14818HigAug 4, 2026
    risk 0.00cvss 7.2epss 0.00

    A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from V4.50 through V5.42 Patch 1, USG FLEX 50(W) series firmware versions from V4.16…

  • CVE-2026-8508MedAug 4, 2026
    risk 0.00cvss 6.5epss 0.01

    An improper authentication vulnerability in the "social_login.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.

  • CVE-2026-6952HigJul 21, 2026
    risk 0.00cvss 7.2epss 0.01

    A post-authentication command injection vulnerability in the "LogServer" field of the syslog component in Zyxel AX7501-B1 firmware versions through 5.17(ABPC.7.2)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.

  • CVE-2014-7278Oct 4, 2014
    risk 0.00cvss epss 0.02

    The login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers to cause a denial of service (persistent web-interface outage) via JavaScript code within unspecified "welcome message" form data that is improperly handled…

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