CVE-2025-13826
Incorrect input validation on the Zervit portable HTTP/Web server
- State
- Published
- Severity
- 8.2 High
- Published
- Apr 21, 2026
- Updated
- Apr 21, 2026
- Reserved
- Dec 1, 2025
Description
Zervit's portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.2 High | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:Y/R:U/V:D/RE:L | INCIBE |
Weaknesses
- CWE-20 Improper input validation
Affected Products
| Product | Versions |
|---|---|
portable HTTP/Web serverZervit |
|
References
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