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TI-2026-84831 Aliases CVE-2026-118865GHSA-4fc4-c4rx-qxh4

OS command injection in TP-Link Archer AX3000 v2 Offline Download

Priority LOW 36CWE-78Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
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

TP-Link Archer AX3000 v2 from 0 before 1.1.3 Build 261026 contains an OS command injection flaw in the Offline Download component (CWE-78). When a USB storage device is attached, the component does not properly neutralize shell metacharacters in a path value before passing it to a system command. An authenticated administrator can submit a crafted path to execute arbitrary commands on the device.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

An authenticated OS command injection vulnerability exists in the Offline Download component (USB storage allocation) of Archer AX3000 v2. When a USB storage device is attached, an authenticated administrator can submit a crafted path value containing shell metacharacters that is not properly neutralized before being passed to a system command.  Successful exploitation may allow arbitrary command execution on the affected device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00881 59th percentileScored 2026-11-07
Fix Fixed Archer AX3000 v2 (TP-Link Systems Inc.): 1.1.3 Build 261026

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 AX3000 v2before 1.1.3 Build 2610261.1.3 Build 261026Patch availableCNA
  • Archer AX3000 v2 VendorTP-Link Affected before 1.1.3 Build 261026 Fixed in 1.1.3 Build 261026 Patch available CNA

Remediation

Upgrade TP-Link Archer AX3000 v2 to 1.1.3 Build 261026.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA Archer AX3000 v2 (TP-Link Systems Inc.) Fixed in 1.1.3 Build 261026

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-118865
  2. 2026-11-04 Alias added: GHSA-4fc4-c4rx-qxh4
  3. 2026-11-04 CISA SSVC decision points changed
  4. 2026-11-04 Priority changed: MEDIUM → LOW
  5. 2026-11-05 CISA SSVC decision points changed

References

Patch 1

Advisory 1

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences