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.
References
| Link | Resource |
|---|---|
| https://github.com/cainiao159357/CVE-2025-51495 | Exploit |
| https://github.com/cesanta/mongoose | Product |
| https://github.com/cesanta/mongoose/pull/3131 | Issue Tracking Patch |
Configurations
History
16 Oct 2025, 17:00
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:* | |
| First Time |
Cesanta
Cesanta mongoose |
|
| References | () https://github.com/cainiao159357/CVE-2025-51495 - Exploit | |
| References | () https://github.com/cesanta/mongoose - Product | |
| References | () https://github.com/cesanta/mongoose/pull/3131 - Issue Tracking, Patch |
01 Oct 2025, 16:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
30 Sep 2025, 18:15
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-190 |
29 Sep 2025, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.5 |
| CWE | CWE-121 |
29 Sep 2025, 17:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-09-29 17:15
Updated : 2025-10-16 17:00
NVD link : CVE-2025-51495
Mitre link : CVE-2025-51495
CVE.ORG link : CVE-2025-51495
JSON object : View
Products Affected
cesanta
- mongoose
CWE
CWE-190
Integer Overflow or Wraparound
