Is CVE-2025-13826 actively exploited?

No active exploitation of CVE-2025-13826 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-13826 be exploited remotely?

Yes. CVE-2025-13826 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-13826?

CVE-2025-13826 has a CVSS score of 8.2 (HIGH).

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HIGH

CVE-2025-13826

CWE-20Published: April 21, 2026· Updated: Apr 21, 2026

8.2

CVSS v3.1

EPSS:0.08%probability of exploitation in 30 daysPercentile:24.6th

Official 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.

NVD Source

Technical Analysis

CVE-2025-13826 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

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/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