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TI-2026-58218 Aliases CVE-2026-84682GHSA-gjhm-8mvw-7r24

TDDPv2 setProductVer Command Injection in Archer AX90

Priority LOW 38CWE-78Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01207 68th percentileScored 2026-11-07
Fix Fixed Archer AX90 v1 (TP-Link Systems Inc.): 1.1.14 Build 20260927

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkArcher AX90 v1before 1.1.14 Build 202609271.1.14 Build 20260927Patch availableCNA
  • Archer AX90 v1 VendorTP-Link Affected before 1.1.14 Build 20260927 Fixed in 1.1.14 Build 20260927 Patch available CNA

Remediation

  • Fix · CNA Archer AX90 v1 (TP-Link Systems Inc.) Fixed in 1.1.14 Build 20260927

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-84682
  2. 2026-10-03 Alias added: GHSA-gjhm-8mvw-7r24
  3. 2026-10-23 Fix available: TP-Link Systems Inc./Archer AX90 [email protected] Build 20260927 · CNA

References

  • TI-2023-16571 TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain… KEVCVSS 3.1HIGH 8.8
  • TI-2023-01313 Command injection in TP-Link Archer AX21 KEVCVSS 3.1HIGH 8.8
  • TI-2020-14907 TP-Link TL-WA855RE V5 20200415-rel37464 devices allow an unauthenticated attacker (on the… KEVCVSS 3.1HIGH 8.8
  • TI-2025-08589 Authenticated RCE via Parental Control command injection KEVCVSS 4.0HIGH 8.6
  • TI-2015-02672 Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317… KEVCVSS 3.1HIGH 7.5
  • TI-2023-27456 Authentication bypass by spoofing in TP-Link TL-WR841N KEVCVSS 3.1MEDIUM 6.5
See all 636 →

Sources