CVE-2025-51495
7.5 · HIGHOverview
CVE-2025-51495 is a high-severity vulnerability affecting cesanta mongoose. It was published on September 29, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.
Remediation
Check the references section for vendor advisories and patches from cesanta. Update mongoose to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cesanta | mongoose | 7.5 | Affected |
Frequently Asked Questions
What is CVE-2025-51495?
CVE-2025-51495 is a high-severity vulnerability affecting cesanta mongoose. It was published on September 29, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-51495?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-51495?
Check the references section for vendor advisories and patches from cesanta. Update mongoose to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-51495?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-51495 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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