CVE-2026-84682

TDDPv2 setProductVer Command Injection in Archer AX90

Published Oct 1, 2026 CVSS 4.0 · 7.7 High EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tp-link
Tp-link archer Ax90 V1
Vendors & Products Tp-link
Tp-link archer Ax90 V1
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title TDDPv2 setProductVer Command Injection in Archer AX90
Weaknesses CWE-78
References
Metrics cvssV4_0

{'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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TPLink
Published
Updated
Oct 23, 2026, 4:43 PM
Reserved
Sep 1, 2026, 10:24 PM
Status
Deferred
Published
Oct 1, 2026, 7:17 PM
Modified
Oct 23, 2026, 5:17 PM