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CVE-2025-1545: WatchGuard Firebox XPath Injection Vulnerability in Web CGI

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-04 · updated 2026-09-25
• Weakness: CWE-91

Description

An XPath Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from the Firebox configuration through an exposed authentication or management web interface. This vulnerability only affects Firebox systems that have at least one authentication hotspot configured.

Affected products

• WatchGuard Fireware OS: from 2025.1 before 2025.1.3; from 11.11 before 12.11.5; from 11.11 before 12.5.14 — fixed in 12.11.5, 12.5.14, 2025.1.3

How to fix

Upgrade to a fixed version: WatchGuard Fireware OS 12.11.5, 12.5.14, 2025.1.3. Check the vendor advisory for mitigations.

References

• https://psirt.watchguard.com/CVE-2025-1545
• https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00025

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