Out-of-bounds write in Fireware OS - CVE-2026-13053

 

Out-of-bounds write in Fireware OS - CVE-2026-13053

Published: July 3, 2026


Vulnerability identifier: #VU136882
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-13053
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to out-of-bounds write in the management CLI command handler when processing a specially crafted CLI command. A remote privileged user can send a specially crafted CLI command to execute arbitrary code.


Affected software

Fireware OS

How to mitigate CVE-2026-13053

Install security update from vendor's website.

Fireware OS - addressed in versions 12.12.1, 2026.2.1

External References

Related Security Bulletins