CVE-2026-93864

A link following vulnerability in WatchGuard Fireware OS’s firewall daemon allows a local attacker with code execution as a low-privileged system process to overwrite arbitrary files with root privileges, and to tamper with firewall IP set data, by planting a crafted file system object and triggering a list update. Written content is partially constrained.

CVSS

No CVSS.

References

Link	Resource
https://psirt.watchguard.com/CVE-2026-93864

Configurations

No configuration.

History

27 Oct 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-27 16:17

Updated : 2026-10-29 11:17

NVD link : CVE-2026-93864

Mitre link : CVE-2026-93864

CVE.ORG link : CVE-2026-93864

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-59

Improper Link Resolution Before File Access ('Link Following')

CWE-73

External Control of File Name or Path

CWE-377

Insecure Temporary File

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