CVE-2024-5974: Firebox Authenticated Buffer Overflow Vulnerability

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-09 · updated 2026-08-07
Weakness: CWE-120

Description

A buffer overflow in WatchGuard Fireware OS could may allow an authenticated remote attacker with privileged management access to execute arbitrary code with system privileges on the firewall. This issue affects Fireware OS: from 11.9.6 through 12.10.3.

Affected products

WatchGuard Fireware OS: from 11.9.4 before 12.5.12; from 12.6 before 12.10.4; 12.5.12-u1 — fixed in 12.10.4, 12.5.12

How to fix

Upgrade to a fixed version: WatchGuard Fireware OS 12.10.4, 12.5.12. Check the vendor advisory for mitigations.

References

https://psirt.watchguard.com/CVE-2024-5974
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00011
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00011

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