Vulnerability details
CVE-2026-0774
WatchYourLAN WatchYourLAN
WatchYourLAN Configuration Page Argument Injection Remote Code Execution Vulnerability
CVSS 3.0
8.8High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.0 | CVEProject cvelistV5 (CNA) (zdi) | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| WatchYourLAN | WatchYourLAN | 2.1.2 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://www.zerodayinitiative.com/advisories/ZDI-26-039/ x_research-advisory
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Details
- Published
- 2026-01-23
- Last updated
- 2026-01-23
- State
- Published
- Assigner (CNA)
- zdi
Exploit prediction (EPSS)
0.82%
Probability of exploitation in 30 days
57.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-88Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')