Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities
Description
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly. These vulnerabilities are due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition. To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on the affected device.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Multiple input validation vulnerabilities in the web-based management interface of Cisco Small Business RV series routers allow authenticated remote attackers to execute arbitrary code or cause denial of service.
Vulnerability
The vulnerabilities reside in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 routers. Due to improper validation of user-supplied input, an authenticated attacker can send crafted HTTP requests to trigger a buffer overflow or other memory corruption. Affected firmware versions are those prior to the fixed releases provided by Cisco [1].
Exploitation
An attacker must have valid administrator credentials for the affected device. With those credentials, the attacker sends specially crafted HTTP requests to the web-based management interface. No user interaction is required beyond the initial authentication. The attack is network-based and can be launched remotely.
Impact
Successful exploitation allows the attacker to execute arbitrary code as the root user on the underlying operating system, leading to full compromise of the device. Alternatively, the attacker can cause the device to reload, resulting in a denial of service (DoS) condition.
Mitigation
Cisco has released free software updates to address these vulnerabilities. Customers should upgrade to the fixed firmware versions as specified in the Cisco Security Advisory [1]. No workarounds are available; upgrading is the only mitigation. The devices are not listed on the CISA KEV as of the publication date.
AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Range: n/a
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-overflow-ghZP68yjmitrevendor-advisoryx_refsource_CISCO
News mentions
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