CVE-2022-40055 Auth bypass in n/a

Critical 9.8 Published 17 Oct 2022 Updated 9 Jul 2026

Attackers can escalate privileges on GX Group GPON ONT devices by brute-forcing the login page credentials.

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-2022-40055?

CVE-2022-40055 is a critical authentication bypass vulnerability in n/a, published on 17 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue in GX Group GPON ONT Titanium 2122A T2122-V1.26EXL allows attackers to escalate privileges via a brute force attack at the login page.

Weakness: CWE-307

Which versions are affected by CVE-2022-40055?

It affects 1 product.

Products include Gxgroup Gpon Ont Titanium 2122a Firmware.

How do I fix CVE-2022-40055?

No fix has been published for CVE-2022-40055 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-2022-40055 being exploited?

There is no known exploitation of CVE-2022-40055 in the wild and no public exploit code.

Sources

Also known as GHSA-f5f7-rcpq-6rfw.