CVE-2023-36489 Command injection in TL-WR802N

High 8.8 Published 6 Sep 2023 Updated 26 Sep 2024

A network-adjacent attacker can execute arbitrary OS commands on TP-LINK routers, requiring firmware upgrades to mitigate.

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-2023-36489?

CVE-2023-36489 is a high-severity command injection vulnerability in TP-LINK TL-WR802N, published on 6 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple TP-LINK products allow a network-adjacent unauthenticated attacker to execute arbitrary OS commands. Affected products/versions are as follows: TL-WR802N firmware versions prior to 'TL-WR802N(JP)_V4_221008', TL-WR841N firmware versions prior to 'TL-WR841N(JP)_V14_230506', and TL-WR902AC firmware versions prior to 'TL-WR902AC(JP)_V3_230506'.

Weakness: CWE-78

Which versions are affected by CVE-2023-36489?

It affects 3 products.

Products include Tp-Link Tl-Wr802n Firmware, Tp-Link Tl-Wr841n Firmware, Tp-Link Tl-Wr902ac Firmware.

How do I fix CVE-2023-36489?

No fix has been published for CVE-2023-36489 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-2023-36489 being exploited?

There is no known exploitation of CVE-2023-36489 in the wild and no public exploit code.

Sources

Also known as GHSA-qcp8-w359-4v36.