CVE-2026-84682
TDDPv2 setProductVer Command Injection in Archer AX90
- State
- Published
- Severity
- 7.7 High
- Published
- Oct 1, 2026
- Updated
- Oct 23, 2026
- Reserved
- Sep 1, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.7 High | 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 | TPLink |
Weaknesses
- CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')
Affected Products
| Product | Versions |
|---|---|
Archer AX90 v1TP-Link Systems Inc. |
|
References
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