PT-2026-33922 · Unknown · Zervit Portable Http Server

Rafael Pedrero · Published 2026-04-21 · Updated 2026-04-21 · CVE-2025-13826

Positive Technologies (AI Summary)

CVSS v4.0

8.2

High

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:L/U:X

Name of the Vulnerable Software and Affected Versions Zervit's portable HTTP/web server (affected versions not specified)

Description Remote denial of service can occur when a configuration reset request is made due to inadequate validation of user-supplied input. An attacker can send malicious requests to make the application stop responding. The application can be manually restarted.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2025-13826

Affected Products

Zervit Portable Http Server

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2025-13826 · Security Note
• https://twitter.com/CVEnew/status/2046571846003532284 · Twitter Post
• https://incibe.es/en/incibe-cert/notices/aviso/incorrect-input-validation-zervit-portable-httpweb-server · Note