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TI-2026-54613 Aliases CVE-2026-78541GHSA-3p5q-gg9q-4336

Command Injection in Parent Control of TP-Link Archer BE3600 v1

Priority MEDIUM 43CWE-78Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
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

A stored OS command injection vulnerability exists in the parent-control module of TP-Link Archer BE3600 V1. An authenticated adjacent attacker with administrative access may store a crafted profile name containing shell metacharacters, which is later processed unsafely during daily cloud report generation and may result in arbitrary command execution. Successful exploitation may allow command execution on the affected device with potential impact to device confidentiality, integrity, and availability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0228 83rd percentileScored 2026-11-07
Fix Fixed Archer BE3600 v1 (TP-Link Systems Inc.): 1.2.6 Build 20260617

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 BE3600 v1before 1.2.6 Build 202606171.2.6 Build 20260617Patch availableCNA
  • Archer BE3600 v1 VendorTP-Link Affected before 1.2.6 Build 20260617 Fixed in 1.2.6 Build 20260617 Patch available CNA

Remediation

  • Fix · CNA Archer BE3600 v1 (TP-Link Systems Inc.) Fixed in 1.2.6 Build 20260617

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 — tp-link.com/us/support/faq/5264

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-08130 Command Injection Vulnerability in Parent Control of Multiple TP-Link Archer DevicesPriority MEDIUM 45
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-78541
  2. 2026-10-03 Alias added: GHSA-3p5q-gg9q-4336

References

Patch 2

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