CVE-2023-36947 Memory corruption in n/a
A stack overflow in TOTOLINK routers allows attackers to execute arbitrary code or cause denial of service via the UploadCustomModule function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-36947?
CVE-2023-36947 is a high-severity memory corruption vulnerability in Totolink X5000r Firmware, published on 16 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
TOTOLINK X5000R V9.1.0u.6118_B20201102 and TOTOLINK A7000R V9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the File parameter in the function UploadCustomModule.
Which versions are affected by CVE-2023-36947?
It affects 2 products.
Products include Totolink A7000r Firmware, Totolink X5000r Firmware.
How do I fix CVE-2023-36947?
No fix has been published for CVE-2023-36947 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-2023-36947 being exploited?
There is no known exploitation of CVE-2023-36947 in the wild and no public exploit code.
Other vulnerabilities in Totolink X5000r Firmware
Sources
Also known as GHSA-xf6j-84wr-6vq4.