CVE-2026-15427 OS Command Injection in TR-069 (CWMP) Management Interface in TP-Link Archer VX1800v
Attackers with ACS control can execute arbitrary root commands on TP-Link Archer VX1800v routers via the TR-069 interface.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15427?
CVE-2026-15427 is a high-severity command injection vulnerability in TP-Link Systems Inc. Archer VX1800v v1, published on 14 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An OS command injection vulnerability exists in the TR-069 / CWMP management interface of Archer VX1800v v1 due to insufficient input validation and sanitization of parameters, allowing crafted input to be executed as system-level commands. Exploitation requires specific conditions such as TR-069 being enabled and ability to influence ACS-delivered commands, compromise or control an ACS server.
Successful exploitation may allow arbitrary command execution with root privileges, resulting in complete compromise of the device.
Weakness: CWE-78
Which versions are affected by CVE-2026-15427?
It affects 1 product.
Products include Tp-Link Archer Vx1800v Firmware.
How do I fix CVE-2026-15427?
No fix has been published for CVE-2026-15427 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-2026-15427 being exploited?
There is no known exploitation of CVE-2026-15427 in the wild and no public exploit code.
Other vulnerabilities in TP-Link Systems Inc. Archer VX1800v v1
Sources
Also known as GHSA-pjj3-47vg-vqcj.