CVE-2026-3987 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.2 HIGH	NETWORK	LOW	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 49.36%

Affected Products (NVD)

Vendor	Product	Version
watchguard	fireware	2025.1 ≤ 𝑥 < 2026.2
watchguard	fireware	12.6.1 ≤ 𝑥 < 12.12

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References

https://psirt.watchguard.com/CVE-2026-3987

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00009