PT-2025-17467 · Unknown · Markparticle Webserver

S0L42

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Published

2025-04-21

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Updated

2025-10-15

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CVE-2025-3845

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions markparticle WebServer version 1.0
Description A critical vulnerability was found in the markparticle WebServer, affecting the function Buffer::HasWritten of the file code/buffer/buffer.cpp. The manipulation of the argument writePos leads to a buffer overflow. This issue can be exploited remotely, and the exploit has been disclosed to the public. The attack may be launched remotely.
Recommendations As a temporary workaround, consider disabling the Buffer::HasWritten function until a patch is available. Restrict access to the vulnerable module code/buffer/buffer.cpp to minimize the risk of exploitation. Avoid using the argument writePos in the affected function until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119CWE-120

Related Identifiers

CVE-2025-3845

Affected Products

Markparticle Webserver