CVE-2024-7331 TOTOLINK A3300R cstecgi.cgi UploadCustomModule buffer overflow
Remote attackers can trigger a buffer overflow in the router's CGI script to potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-7331?
CVE-2024-7331 is a high-severity memory corruption vulnerability in Totolink A3300r Firmware, published on 1 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024 and classified as critical. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-273254 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-120
Which versions are affected by CVE-2024-7331?
It affects 1 product.
Products include Totolink A3300r Firmware.
How do I fix CVE-2024-7331?
No fix has been published for CVE-2024-7331 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-2024-7331 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7331 exists.
Other vulnerabilities in Totolink A3300r Firmware
Sources
Also known as GHSA-h846-m6mx-wpm3.