CVE-2025-12003 Path traversal in Router

High 8.2 Published Updated

Unauthenticated attackers can exploit a path traversal flaw in ASUS router WebDAV to modify device integrity.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-12003?

CVE-2025-12003 is a high-severity path traversal vulnerability in ASUS Router, published on 25 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A path traversal vulnerability has been identified in WebDAV, which may allow unauthenticated remote attackers to impact the integrity of the device. Refer to the ' Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.

Weakness: CWE-306, CWE-22

Which versions are affected by CVE-2025-12003?

How do I fix CVE-2025-12003?

No fix has been published for CVE-2025-12003 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-12003 being exploited?

There is no known exploitation of CVE-2025-12003 in the wild and no public exploit code.

Sources

Also known as GHSA-52q6-pxh7-fpmg.

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