CVE-2026-15427

High

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.

SeverityHigh

CVSS8.1

Exploit probability—

Product

Tp-link Archer Vx1800v Firmware

PublishedJul 14, 2026

First seenJul 14, 2026

Weakness typeCWE-78OS command injection

How to fix

Update

tp-link archer_vx1800v_firmware0.16.0 or later

Patches

tp-link.com/en/support/download/archer-vx1800v/#Firmware

Vendor advisories

tp-link.com/us/support/faq/5189/

Affected products

Product	Affected versions	Fixed in
tp-link archer_vx1800v_firmware	v < 0.16.0, 2.0.0	0.16.0

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