CVE-2021-46442 Auth bypass in n/a

Critical 9.8 Published 27 Apr 2022 Updated 4 Aug 2024

Attackers can bypass authentication on D-Link DIR-825 G1 routers to download configurations and update firmware without authorization.

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-2021-46442?

CVE-2021-46442 is a critical authentication bypass vulnerability in n/a, published on 27 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.

Which versions are affected by CVE-2021-46442?

It affects 1 product.

Products include Dlink Dir-825 Firmware.

How do I fix CVE-2021-46442?

No fix has been published for CVE-2021-46442 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-2021-46442 being exploited?

There is no known exploitation of CVE-2021-46442 in the wild and no public exploit code.

Sources

Also known as GHSA-8jv6-jjxw-75rx.