CVE-2022-40874 Memory corruption in n/a
A heap overflow in the Tenda AX1803 router allows attackers to cause a denial of service via a crafted HTTP request.
- 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-2022-40874?
CVE-2022-40874 is a high-severity memory corruption vulnerability in Tenda Ax1803 Firmware, published on 27 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda AX1803 v1.0.0.1 was discovered to contain a heap overflow vulnerability in the GetParentControlInfo function, which can cause a denial of service attack through a carefully constructed http request.
Weakness: CWE-787
Which versions are affected by CVE-2022-40874?
It affects 1 product.
Products include Tenda Ax1803 Firmware.
How do I fix CVE-2022-40874?
No fix has been published for CVE-2022-40874 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-2022-40874 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40874 exists.
Other vulnerabilities in Tenda Ax1803 Firmware
Sources
Also known as GHSA-qjm8-ccv3-g62v.