What’s Vulnerable › Vulnerabilities

CVE-2026-84682: TDDPv2 setProductVer Command Injection in Archer AX90

• Severity: high (CVSS 7.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-01 · updated 2026-10-23
• Weakness: CWE-78

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

• TP-Link Systems Inc. Archer AX90 v1: before 1.1.14 Build 20260927 — fixed in 1.1.14 Build 20260927

How to fix

Upgrade to a fixed version: TP-Link Systems Inc. Archer AX90 v1 1.1.14 Build 20260927. Check the vendor advisory for mitigations.

References

• https://www.tp-link.com/en/support/download/archer-ax90/v1/#Firmware
• https://www.tp-link.com/us/support/download/archer-ax90/v1/#Firmware
• https://www.tp-link.com/us/support/faq/5323/

Get alerted when CVE-2026-84682 or the next vulnerability affects your stack