CVE-2026-84682

HIGH CVSS 4.0: 7.7 EPSS 1.04%
Updated Oct 02, 2026
Tp-Link Systems Inc.
Parameter Value
CVSS 7.7 (HIGH)
Type CWE-78 (OS Command Injection)
Vendor Tp-Link Systems Inc.
Public PoC No

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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products

tp-link systems inc.:archer ax90 v1