CVE-2022-27022 Memory corruption in n/a
A stack overflow in the Tenda AC9 router's httpd service allows attackers to execute arbitrary code and gain root privileges via a crafted payload.
- 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-2022-27022?
CVE-2022-27022 is a critical memory corruption vulnerability in Tenda Ac9 Firmware, published on 7 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.
Weakness: CWE-787
Which versions are affected by CVE-2022-27022?
It affects 1 product.
Products include Tenda Ac9 Firmware.
How do I fix CVE-2022-27022?
No fix has been published for CVE-2022-27022 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-2022-27022 being exploited?
There is no known exploitation of CVE-2022-27022 in the wild and no public exploit code.
Other vulnerabilities in Tenda Ac9 Firmware
Sources
Also known as GHSA-vqpx-8vjh-qxx9.