CVE-2021-37774 Code injection in n/a

High 8.0 Published 19 Jan 2023 Updated 4 Apr 2025

Attackers can execute arbitrary code on TP-Link TL-WDR7660 routers via a vulnerability in the httpProcDataSrv function.

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-2021-37774?

CVE-2021-37774 is a high-severity code injection vulnerability in n/a, published on 19 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in function httpProcDataSrv in TL-WDR7660 2.0.30 that allows attackers to execute arbitrary code.

Weakness: CWE-94

Which versions are affected by CVE-2021-37774?

It affects 1 product.

Products include Tp-Link Tl-Wdr7660 Firmware.

How do I fix CVE-2021-37774?

No fix has been published for CVE-2021-37774 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-37774 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-37774 exists.

Sources

Also known as GHSA-72gc-x9q7-vh7v.