CVE-2026-0774 HIGH

CVE-2026-0774: WatchYourLAN Configuration Page Argument Injection Remote Code Execution Vulnerability

Vendor Watchyourlan
Product WatchYourLAN
Weakness CWE-88
Published January 23, 2026
Last update January 23, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

WatchYourLAN Configuration Page Argument Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of WatchYourLAN. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the arpstrs parameter. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26708.

Key dates

02Disclosure timeline

January 23, 2026 CVE published
January 23, 2026 Record updated