CVE-2025-51452 Auth bypass in n/a

Critical 9.8 Published 13 Aug 2025 Updated 4 Aug 2026

Attackers can bypass authentication on TOTOLINK A7000R routers by sending a specific request to the login form endpoint.

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-2025-51452?

CVE-2025-51452 is a critical authentication bypass vulnerability in n/a, published on 13 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In TOTOLINK A7000R firmware 9.1.0u.6115_B20201022, an attacker can bypass login by sending a specific request through formLoginAuth.htm.

Weakness: CWE-288

Which versions are affected by CVE-2025-51452?

It affects 1 product.

Products include Totolink A7000r Firmware.

How do I fix CVE-2025-51452?

No fix has been published for CVE-2025-51452 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-51452 being exploited?

There is no known exploitation of CVE-2025-51452 in the wild and no public exploit code.

Sources

Also known as GHSA-qwvg-f3gp-j7f2.