Medium severity5.9NVD Advisory· Published Sep 28, 2017· Updated Jun 17, 2026
CVE-2015-7256
CVE-2015-7256
Description
ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
31- cpe:2.3:o:zyxel:c1000z_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:fr1000z_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:gs1900-24_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:gs1900-8_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:nwa1100-n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:nwa1100-nh_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:nwa1121-ni_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:nwa1123-ac_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:nwa1123-ni_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:p-660hn-51_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:zyxel:p-660hn-51_firmware:-:*:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:o:zyxel:p-663hn-51_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:p8702n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:pmg5318-b20a_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:zyxel:pmg5318-b20a_firmware:-:*:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:o:zyxel:q1000_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:sbg3300-n000_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:sbg3300-nb00_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:sbg3500-n000_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg1312-b10a_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg1312-b30a_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg1312-b30b_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg4380-b10a_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg8324-b10a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:vmg8924-b10a_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:zyxel:vmg8924-b10a_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vmg8924-b30a_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:vsg1435-b101_firmware:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- www.kb.cert.org/vuls/id/566724nvdThird Party AdvisoryUS Government Resource
- www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtmlnvdVendor Advisory
News mentions
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