CVE-2023-31188 Command injection in Archer C20

High 8.0 Published Updated

Authenticated network-adjacent attackers can execute arbitrary OS commands on TP-LINK Archer routers, requiring firmware updates to mitigate.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-31188?

CVE-2023-31188 is a high-severity command injection vulnerability in TP-LINK Archer C20, 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 authenticated attacker to execute arbitrary OS commands. Affected products/versions are as follows: Archer C50 firmware versions prior to 'Archer C50(JP)_V3_230505', Archer C55 firmware versions prior to 'Archer C55(JP)_V1_230506', and Archer C20 firmware versions prior to 'Archer C20(JP)_V1_230616'.

Weakness: CWE-78

Which versions are affected by CVE-2023-31188?

It affects 2 products.

Products include Tp-Link Archer C50 V3 Firmware, Tp-Link Archer C55 Firmware.

How do I fix CVE-2023-31188?

No fix has been published for CVE-2023-31188 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-2023-31188 being exploited?

There is no known exploitation of CVE-2023-31188 in the wild and no public exploit code.

Sources

Also known as GHSA-qc3c-m38x-gmmf.

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