WatchYourLAN Configuration Page Argument Injection Remote Code Execution Vulnerability
Published Jan 23, 2026
8.8
HIGHCVSS 3.0
EPSS 0.83%
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.
Affected products
-
- Version 2.1.2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| WatchYourLAN | WatchYourLAN | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (2)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-4474 Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-26-039/ x_research-advisory
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-4474 | Advisory | |
| https://www.zerodayinitiative.com/advisories/ZDI-26-039/ | x_research-advisory |
Change history (0)
No recorded changes yet.