High severity · published Oct 1, 2026
CVE-2026-84682
TDDPv2 setProductVer Command Injection in Archer AX90
7.7
CVSS
1.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Archer AX90 v1 · TP-Link Systems Inc.
before 1.1.14 Build 20260927 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-84682
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-84682
patch
https://www.tp-link.com/us/support/download/archer-ax90/v1/#Firmware
patch
https://www.tp-link.com/en/support/download/archer-ax90/v1/#Firmware
vendor-advisory
https://www.tp-link.com/us/support/faq/5323/