CVE-2022-44257 Memory corruption in n/a

High 8.8 Published 23 Nov 2022 Updated 25 Apr 2025

A post-authentication buffer overflow in TOTOLINK LR350 routers allows attackers to execute arbitrary code via the pppoeUser parameter.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-44257?

CVE-2022-44257 is a high-severity memory corruption vulnerability in n/a, published on 23 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter pppoeUser in the setOpModeCfg function.

Weakness: CWE-787

Which versions are affected by CVE-2022-44257?

It affects 1 product.

Products include Totolink Lr350 Firmware.

How do I fix CVE-2022-44257?

No fix has been published for CVE-2022-44257 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-44257 being exploited?

There is no known exploitation of CVE-2022-44257 in the wild and no public exploit code.

Sources

Also known as GHSA-3jc8-q88g-84rr.