CVE-2026-0774

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 8.8/10CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-88

Affected software

No affected versions have been published.

Timeline

Published
Jan 23, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-0774: High severity, CVSS 8.8 | Vulnix