Code Injection in WatchYourLAN - CVE-2026-0774

 

Code Injection in WatchYourLAN - CVE-2026-0774

Published: January 12, 2026


Vulnerability identifier: #VU121173
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-0774
CWE-ID: CWE-94
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Andrew Erlikh
Affected software:
WatchYourLAN

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the argument injection issue within the handling of the arpstrs parameter. A remote attacker on the local network can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2026-0774

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources