CVE-2026-8913

Command Injection in Archer MR600 WireGuard Client Configuration

publishedCWE-78

A command Injection vulnerability exists in the WireGuard client configuration of Archer MR600 v2, v3, and v5 due to improper neutralization of user-controlled input within the web management interface. An authenticated attacker with administrative privileges may be able to execute arbitrary commands when applying configuration changes.Successful exploitation may result in a full compromise of confidentiality, integrity, and availability of the affected device.

Technical severity8.5 highCVSS 4.0 · CNA: TPLink

Published2026-06-08Source updated 2026-11-03

Collected2026-11-032 attributed sources

Fixes and workarounds

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: TPLink

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: TPLink

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: TPLink

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: TPLink

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
Archer MR600 v5 TP-Link Systems Inc.	≥ 0; < EU_V5_1.7.0 0.9.1 260518 rel67803 (affected, custom) ≥ 0; < JP_V5_1.2.0 0.9.1 260519 rel52362 (affected, custom) Other versions: unaffected	CNA: TPLink
Archer MR600 v2 TP-Link Systems Inc.	≥ 0; < 1.12.0 Build 260826 (affected, custom) Other versions: unaffected	CNA: TPLink
Archer MR600 v3 TP-Link Systems Inc.	≥ 0; < 1.4.0 Build 260827 (affected, custom) Other versions: unaffected	CNA: TPLink

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
4.0 / 8.5 high	`CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`	CNA: TPLink

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

https://www.tp-link.com/en/support/download/archer-mr600/v5/#FirmwareCNA: TPLink · patch
https://www.tp-link.com/jp/support/download/archer-mr600/v5/#FirmwareCNA: TPLink · patch
https://www.tp-link.com/us/support/faq/5122/CNA: TPLink · vendor-advisory
https://www.tp-link.com/en/support/download/archer-mr600/v2/#FirmwareCNA: TPLink · patch
https://www.tp-link.com/en/support/download/archer-mr600/v3/#FirmwareCNA: TPLink · patch

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