Security Advisory: Authenticated OS Command Injection in Archer AX3000 v2 Offline Download Component (CVE-2026-118865)

Vulnerability and Impact Description:

CVE-2026-118865: Authenticated OS Command Injection in Archer AX3000 v2 Offline Download Component

An authenticated OS command injection vulnerability exists in the Offline Download component (USB storage allocation) of Archer AX3000 v2. When a USB storage device is attached, an authenticated administrator can submit a crafted path value containing shell metacharacters that are not properly neutralized before being passed to a system command.

Successful exploitation may allow arbitrary command execution on the affected device.

CVSS v4.0 Score: 7.3 / High

CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products/Versions and Fixes:

Recommendations:

We strongly recommend that users with affected devices take the following actions:

1. Update affected devices to the latest firmware version that fixed the vulnerability:

US: Download for Archer AX3000 | TP-Link

Disclaimer:

This advisory is provided for informational purposes only and is subject to change without notice. The information is provided “as is” without warranties of any kind. TP-Link recommends that customers promptly apply available firmware updates or implement documented workarounds as provided in this advisory. Devices/systems that are not updated or mitigated as described may remain vulnerable, and TP-Link disclaims any responsibility or liability for any damages or losses arising from a failure to implement such updates.