Stored OS Command Injection in TP-Link Archer BE3600 V1
CVE-2026-78541

8.5HIGH

Key Information:

Vendor

Tp-link Systems Inc.

Status
Archer Be3600 V1
Vendor
CVE Published:
24 August 2026

What is CVE-2026-78541?

A vulnerability exists in the parent-control module of the TP-Link Archer BE3600 V1. An authenticated adjacent attacker with administrative access can craft a profile name that includes shell metacharacters. This crafted profile name is processed unsafely during the generation of daily cloud reports, allowing arbitrary command execution on the device. Successful exploitation could compromise the device's confidentiality, integrity, and availability, posing significant risks to users.

Affected Version(s)

Archer BE3600 v1 0 < 1.2.6 Build 20260617

References

https://www.tp-link.com/us/support/download/archer-be3600...
patch
https://www.tp-link.com/en/support/download/archer-be3600...
patch
https://www.tp-link.com/us/support/faq/5264/
vendor-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sungmin Kang (rauzn), JeroScope
.