CVE-2025-22940 Auth bypass in n/a

Critical 9.1 Published 31 Mar 2025 Updated 18 Aug 2025

Unauthorized attackers can arbitrarily set the admin password on Adtran 411 ONT devices due to incorrect access control.

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-2025-22940?

CVE-2025-22940 is a critical authentication bypass vulnerability in n/a, published on 31 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Incorrect access control in Adtran 411 ONT L80.00.0011.M2 allows unauthorized attackers to arbitrarily set the admin password.

Weakness: CWE-284

Which versions are affected by CVE-2025-22940?

It affects 1 product.

Products include Adtran 411 Firmware.

How do I fix CVE-2025-22940?

No fix has been published for CVE-2025-22940 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-2025-22940 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-22940 exists.

Sources

Also known as GHSA-29w3-4r4c-4fmm.