CVE-2025-3845 MEDIUM

CVE-2025-3845: markparticle WebServer buffer.cpp HasWritten buffer overflow

Vendor Markparticle
Product WebServer
Weakness CWE-120
Published April 21, 2025
Last update April 22, 2025

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

A vulnerability was found in markparticle WebServer up to 1.0. It has been declared as critical. Affected by this vulnerability is the function Buffer::HasWritten of the file code/buffer/buffer.cpp. The manipulation of the argument writePos_ leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

April 21, 2025 CVE published
April 22, 2025 Record updated