CVE-2026-84682

high

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.

References

https://www.tp-link.com/us/support/faq/5323/

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

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-91040

Details

Source: Mitre, NVD

Published: 2026-10-01

Updated: 2026-10-02

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 7.7

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

Severity: High

EPSS

EPSS: 0.01042