CVE-2023-36498 Command injection in ER7206 Omada Gigabit VPN Router

High 7.2 Published 6 Feb 2024 Updated 4 Nov 2025

Authenticated attackers can inject arbitrary commands via HTTP requests to gain unrestricted shell access on Tp-Link ER7206 routers.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-36498?

CVE-2023-36498 is a high-severity command injection vulnerability in Tp-Link ER7206 Omada Gigabit VPN Router, published on 6 Feb 2024. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A post-authentication command injection vulnerability exists in the PPTP client functionality of Tp-Link ER7206 Omada Gigabit VPN Router 1.3.0 build 20230322 Rel.70591. A specially crafted HTTP request can lead to arbitrary command injection. An attacker can make an authenticated HTTP request to trigger this vulnerability and gain access to an unrestricted shell.

Weakness: CWE-78

Which versions are affected by CVE-2023-36498?

It affects 1 product.

Products include Tp-Link Er7206 Firmware.

How do I fix CVE-2023-36498?

No fix has been published for CVE-2023-36498 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-2023-36498 being exploited?

There is no known exploitation of CVE-2023-36498 in the wild and no public exploit code.

Sources

Also known as GHSA-mj59-82hp-pgf4.