CVE-2026-0774

WatchYourLAN Configuration Page Argument Injection Remote Code Execution Vulnerability

State
Published
Severity
8.8 High
Published
Jan 23, 2026
Updated
Jan 23, 2026
Reserved
Jan 8, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.08.8 HighCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hzdi

Weaknesses

  • CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

Affected Products

ProductVersions
WatchYourLANWatchYourLAN
  • 2.1.2Affected

References

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