CVE-2024-7187 TOTOLINK A3600R cstecgi.cgi UploadCustomModule buffer overflow
Remote attackers can trigger a buffer overflow in the router's CGI handler 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-2024-7187?
CVE-2024-7187 is a high-severity memory corruption vulnerability in TOTOLINK A3600R, published on 29 Jul 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 A3600R 4.1.2cu.5182_B20201102. It has been declared as critical. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-272608. 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-2024-7187?
It affects 1 product.
Products include Totolink A3600r Firmware.
How do I fix CVE-2024-7187?
No fix has been published for CVE-2024-7187 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-2024-7187 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7187 exists.
Other vulnerabilities in TOTOLINK A3600R
Sources
Also known as GHSA-3f49-4398-jj66.