CVE-2024-21821 Command injection in Archer AX3000

High 8.0 Published Updated

Authenticated network-adjacent attackers can execute arbitrary OS commands on TP-Link routers via the LAN or Wi-Fi interface.

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-2024-21821?

CVE-2024-21821 is a high-severity command injection vulnerability in TP-Link Archer AX3000, published on 10 Jan 2024. 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 with access to the product from the LAN port or Wi-Fi to execute arbitrary OS commands.

Weakness: CWE-78

Which versions are affected by CVE-2024-21821?

It affects 3 products.

Products include Tp-Link Archer Ax3000 Firmware, Tp-Link Archer Ax5400 Firmware, Tp-Link Archer Axe75 Firmware.

How do I fix CVE-2024-21821?

No fix has been published for CVE-2024-21821 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-2024-21821 being exploited?

There is no known exploitation of CVE-2024-21821 in the wild and no public exploit code.

Sources

Also known as GHSA-wqqq-355c-2q6w.

Is CVE-2024-21821 in your software?

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