CVE-2022-29640 Memory corruption in n/a
Attackers can cause a Denial of Service on TOTOLINK routers via a stack overflow in the port forwarding configuration.
- 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-2022-29640?
CVE-2022-29640 is a high-severity memory corruption vulnerability in n/a, published on 18 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setPortForwardRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
Weakness: CWE-787
Which versions are affected by CVE-2022-29640?
It affects 1 product.
Products include Totolink A3100r Firmware.
How do I fix CVE-2022-29640?
No fix has been published for CVE-2022-29640 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-2022-29640 being exploited?
There is no known exploitation of CVE-2022-29640 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6frp-g76w-6hqv.