CVE-2026-78541 Command Injection in Parent Control of TP-Link Archer BE3600 v1
An authenticated admin can execute arbitrary commands on TP-Link Archer BE3600 routers via stored shell metacharacters in parent control profiles.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78541?
CVE-2026-78541 is a high-severity command injection vulnerability in TP-Link Systems Inc. Archer BE3600 v1, published on 24 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-78
Which versions are affected by CVE-2026-78541?
How do I fix CVE-2026-78541?
No fix has been published for CVE-2026-78541 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-78541 being exploited?
There is no known exploitation of CVE-2026-78541 in the wild and no public exploit code.
Sources
Also known as GHSA-3p5q-gg9q-4336.