VulnerabilityAnalyzed
CVE-2025-51495
An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17.
HIGH 7.5EPSS 0.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.43% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- cesanta/mongoose
- Source
- cve@mitre.org
References
- https://github.com/cainiao159357/CVE-2025-51495Exploit
- https://github.com/cesanta/mongooseProduct
- https://github.com/cesanta/mongoose/pull/3131Issue Tracking, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.