Path Traversal Vulnerability in WatchGuard Fireware OS Management Web UI
CVE-2026-13054

8.6HIGH

Key Information:

Vendor

Watchguard

Status
Fireware Os
Vendor
CVE Published:
2 July 2026

What is CVE-2026-13054?

A path traversal vulnerability exists in the WatchGuard Fireware OS Management Web UI, which could allow an authenticated attacker with privileged access to manipulate and write arbitrary files on the system's filesystem. This flaw can lead to unauthorized access and potential compromise of system integrity, highlighting the importance of regular updates and vulnerability management practices.

Affected Version(s)

Fireware OS 11.0 <= 11.12.4+541730

Fireware OS 12.0 <= 12.12

Fireware OS 12.5 <= 12.5.18

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-...
vendor-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nicholas Zubrisky (@NZubrisky) of TrendAI Research
.