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High · 7.7 CVE-2026-84682 EUVD-2026-91040GHSA-gjhm-8mvw-7r24

TDDPv2 setProductVer Command Injection in Archer AX90

Published Oct 1, 2026 · Updated Oct 23, 2026 · Assigned by TPLink

Description

A command injection vulnerability exists in the TDDPv2 service (/usr/bin/tddp) on Archer AX90 V1. An unauthenticated adjacent-network attacker can exploit the setProductVer command handler to execute arbitrary operating system commands as root during device boot. 

Successful exploitation may result in complete device compromise through arbitrary command execution with root privileges.

Affected products

VendorProductAffectedFixed
TP-Link Systems Archer AX90 v1 < 1.1.14 Build 20260927 1.1.14 Build 20260927

References