CVE-2025-3845
CRITICALCVSS 9.8/10EPSS 0.57%
Last modified
CVE-2025-3845 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability was found in markparticle WebServer up to 1.0. It has been declared as critical. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Markparticle | Webserver | All versions |
References
- https://vuldb.com/?ctiid.305773Permissions Required, VDB Entry
- https://vuldb.com/?id.305773Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.556273Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-3845?
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.
How severe is CVE-2025-3845?
CVE-2025-3845 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2025-3845?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-38444In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2025-38445In the Linux kernel, the following vulnerability has been re…7.1
- CVE-2025-38446In the Linux kernel, the following vulnerability has been re…7.1
- CVE-2025-38447In the Linux kernel, the following vulnerability has been re…7.1
- CVE-2025-38448In the Linux kernel, the following vulnerability has been re…4.7
- CVE-2025-38449In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2025-38450In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2025-38451In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2025-38452In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2025-38453In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2025-38454In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2025-38455In the Linux kernel, the following vulnerability has been re…5.5
Are you affected by CVE-2025-3845?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST