CVE-2022-40861 Memory corruption in n/a

High 7.2 Published Updated

A stack overflow in the Tenda AC18 router allows attackers to execute arbitrary code or cause a denial of service via a crafted request.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-40861?

CVE-2022-40861 is a high-severity memory corruption vulnerability in Tenda Ac18 Firmware, published on 23 Sep 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Tenda AC18 router V15.03.05.19 contains a stack overflow vulnerability in the formSetQosBand->FUN_0007db78 function with the request /goform/SetNetControlList/

Weakness: CWE-787

Which versions are affected by CVE-2022-40861?

It affects 1 product.

Products include Tenda Ac18 Firmware.

How do I fix CVE-2022-40861?

No fix has been published for CVE-2022-40861 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-2022-40861 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40861 exists.

All Tenda Ac18 Firmware vulnerabilities

Sources

Also known as GHSA-jvpp-mw65-r55x.

Is CVE-2022-40861 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free