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Vulnerability record · CVE-2026-6952 · published 21 July 2026

CVE-2026-6952: OS command injection vulnerability

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.

7.2 CVSS 3.1 High EPSS 1.5% · top 26.4% CWE-78 · OS command injection Awaiting Analysis
7.2CVSS 3.1 base score
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
23 Jul 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-inje

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Source: NIST National Vulnerability Database (record CVE-2026-6952), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.