CVE-2022-40854 Memory corruption in n/a
A stack overflow in the Tenda AC18 router allows attackers to execute arbitrary code or cause a denial of service via the fast_setting_wifi_set endpoint.
- 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-2022-40854?
CVE-2022-40854 is a critical memory corruption vulnerability in Tenda Ac18 Firmware, published on 23 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda AC18 router contained a stack overflow vulnerability in /goform/fast_setting_wifi_set
Weakness: CWE-787
Which versions are affected by CVE-2022-40854?
It affects 1 product.
Products include Tenda Ac18 Firmware.
How do I fix CVE-2022-40854?
No fix has been published for CVE-2022-40854 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-2022-40854 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40854 exists.
Other vulnerabilities in Tenda Ac18 Firmware
Sources
Also known as GHSA-w2rj-3rf3-w34g.