CVE-2023-2646 TP-Link Archer C7v2 GET Request Parameter denial of service

Medium 4.5 Published 11 May 2023 Updated 24 Jan 2025

A local network attacker can cause a denial of service on TP-Link Archer C7v2 routers via a GET request parameter.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-2646?

CVE-2023-2646 is a medium-severity denial of service vulnerability in TP-Link Archer C7v2, published on 11 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been found in TP-Link Archer C7v2 v2_en_us_180114 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component GET Request Parameter Handler. The manipulation leads to denial of service. The attack can only be done within the local network. The associated identifier of this vulnerability is VDB-228775. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-404

Which versions are affected by CVE-2023-2646?

It affects 1 product.

Products include Tp-Link Archer C7 Firmware.

How do I fix CVE-2023-2646?

No fix has been published for CVE-2023-2646 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-2646 being exploited?

There is no known exploitation of CVE-2023-2646 in the wild and no public exploit code.

Sources

Also known as GHSA-9jgc-88jp-p7rc.