Post-Authentication Command Injection Vulnerability in Zyxel AX7501-B1 Firmware
CVE-2026-6952

7.2HIGH

Key Information:

Vendor

Zyxel
Status
Ax7501-b1 Firmware
Vendor
CVE Published:
21 July 2026

What is CVE-2026-6952?

A post-authentication command injection vulnerability exists within the 'LogServer' field of the syslog component in Zyxel AX7501-B1 firmware. This flaw allows an authenticated attacker with administrative privileges to execute arbitrary OS commands on the affected device, potentially compromising the integrity and security of the system. Users are advised to review the security advisory provided by Zyxel and take necessary action to mitigate risks associated with this vulnerability.

Affected Version(s)

AX7501-B1 firmware <= 5.17(ABPC.7.2)C0

References

https://www.zyxel.com/global/en/support/security-advisori...
vendor-advisory

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.