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CVE-2015-7256

5.9 · MEDIUM
Published Sep 28, 2017 zyxel CWE-310 EPSS 0.79% (54th pctl)

Overview

CVE-2015-7256 is a medium-severity vulnerability affecting zyxel nwa1100-n_firmware. It was published on September 28, 2017 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from zyxel. Update nwa1100-n_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2015-7256?

CVE-2015-7256 is a medium-severity vulnerability affecting zyxel nwa1100-n_firmware. It was published on September 28, 2017 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

How severe is CVE-2015-7256?

This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-7256?

Check the references section for vendor advisories and patches from zyxel. Update nwa1100-n_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-7256?

CyberStrike's AI-powered security agents can automatically detect CVE-2015-7256 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.