CVE-2023-40837 Command injection in n/a

Critical 9.8 Published 30 Aug 2023 Updated 1 Oct 2024

Attackers can execute arbitrary commands on Tenda AC6 routers via unfiltered parameters in the IPTV configuration function.

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-2023-40837?

CVE-2023-40837 is a critical command injection vulnerability in Tenda Ac6 Firmware, published on 30 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADD50' contains a command execution vulnerability. In the "formSetIptv" function, obtaining the "list" and "vlanId" fields, unfiltered passing these two fields as parameters to the "sub_ADD50" function to execute commands.

Weakness: CWE-78

Which versions are affected by CVE-2023-40837?

It affects 1 product.

Products include Tenda Ac6 Firmware.

How do I fix CVE-2023-40837?

No fix has been published for CVE-2023-40837 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-2023-40837 being exploited?

There is no known exploitation of CVE-2023-40837 in the wild and no public exploit code.

All Tenda Ac6 Firmware vulnerabilities

Sources

Also known as GHSA-3jxq-9m8c-3j55.