CVE-2023-33538 TP-Link Multiple Routers Command Injection

Exploited in the wild High 8.8 Published Updated

Attackers can execute arbitrary commands on TP-Link wireless routers via a command injection vulnerability in the WLAN network configuration interface.

Exploited in the wild
Since 16 Jun 2025
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-33538?

CVE-2023-33538 is a high-severity command injection vulnerability in n/a, published on 7 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm .

Weakness: CWE-77

Which versions are affected by CVE-2023-33538?

It affects 3 products.

Products include Tp-Link Tl-Wr740n Firmware, Tp-Link Tl-Wr841n Firmware, Tp-Link Tl-Wr940n Firmware.

How do I fix CVE-2023-33538?

No fix has been published for CVE-2023-33538 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 7 Jul 2025.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-33538 being exploited?

Yes. Attackers have exploited CVE-2023-33538 in the wild since at least 16 Jun 2025.

Public exploit code: 3 proofs of concept on GitHub.

Sources

Also known as GHSA-49g9-8m2w-hfgg.

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