Read the docs
TI-2026-08130 Aliases CVE-2026-9254GHSA-3h97-6772-mpj4

Command Injection Vulnerability in Parent Control of Multiple TP-Link Archer Devices

Priority MEDIUM 45CWE-78Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
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

An unauthenticated OS command injection vulnerability exists in the parental control functionality of Archer BE800 V1, BE3600 V1, and AX75 V1 due to improper filtering and neutralization of special characters in certain parameters. A LAN-based attacker can inject arbitrary commands and execute them with root privileges. Successful exploitation may result in complete device compromise and impact the confidentiality, integrity, and availability of the affected device and network traffic.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03055 87th percentileScored 2026-11-07
Fix Fixed Archer BE800 V1 (TP-Link Systems Inc.): 1.4.2 Build 260708Archer BE3600 V1 (TP-Link Systems Inc.): 1.2.6 Build 20260617+1 more product

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 BE800 V1before 1.4.2 Build 2607081.4.2 Build 260708Patch availableCNA
TP-LinkArcher BE3600 V1before 1.2.6 Build 202606171.2.6 Build 20260617Patch availableCNA
TP-LinkArcher AX75 V1before 1.1.6 Build 2607161.1.6 Build 260716Patch availableCNA
  • Archer BE800 V1 VendorTP-Link Affected before 1.4.2 Build 260708 Fixed in 1.4.2 Build 260708 Patch available CNA
  • Archer BE3600 V1 VendorTP-Link Affected before 1.2.6 Build 20260617 Fixed in 1.2.6 Build 20260617 Patch available CNA
  • Archer AX75 V1 VendorTP-Link Affected before 1.1.6 Build 260716 Fixed in 1.1.6 Build 260716 Patch available CNA

Remediation

  • Fix · CNA Archer BE800 V1 (TP-Link Systems Inc.) Fixed in 1.4.2 Build 260708
  • Fix · CNA Archer BE3600 V1 (TP-Link Systems Inc.) Fixed in 1.2.6 Build 20260617
  • Fix · CNA Archer AX75 V1 (TP-Link Systems Inc.) Fixed in 1.1.6 Build 260716

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    TP-Link Systems Archer BE3600 V1, Archer BE800 V1 — tp-link.com/us/support/faq/5264

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2026-54613 Command Injection in Parent Control of TP-Link Archer BE3600 v1Priority MEDIUM 43
    • TI-2026-13655 Command Injection Vulnerability in VPN connection of Archer BE800Priority MEDIUM 43

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-9254
  2. 2026-10-03 Alias added: GHSA-3h97-6772-mpj4

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