CVE-2023-4746 TOTOLINK N200RE V5 Validity_check format string
Remote attackers can bypass validation via a format string flaw in Validity_check to execute arbitrary OS commands on TOTOLINK N200RE V5 routers.
- 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-2023-4746?
CVE-2023-4746 is a high-severity command injection vulnerability in TOTOLINK N200RE V5, published on 4 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability classified as critical has been found in TOTOLINK N200RE V5 9.3.5u.6437_B20230519. This affects the function Validity_check. The manipulation leads to format string. It is possible to initiate the attack remotely. The root-cause of the vulnerability is a format string issue. But the impact is to bypass the validation which leads to to OS command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-238635.
Weakness: CWE-134
Which versions are affected by CVE-2023-4746?
It affects 1 product.
Products include Totolink N200re-V5 Firmware.
How do I fix CVE-2023-4746?
No fix has been published for CVE-2023-4746 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2023-4746 being exploited?
There is no known exploitation of CVE-2023-4746 in the wild and no public exploit code.
Other vulnerabilities in TOTOLINK N200RE V5
Sources
Also known as GHSA-76xj-3v79-3jwj.