CVE-2018-25193Mongoose Web Server 6.9 Denial of Service via Socket Connection
Updated under an hour ago ()
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It affects Cesanta Mongoose Web Server. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Mongoose Web Server 6.9 contains a denial of service vulnerability that allows remote attackers to crash the service by establishing multiple socket connections. Attackers can repeatedly create connections to the default port and send malformed data to exhaust server resources and cause service unavailability.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-1188
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Jul 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Cesanta Mongoose Web Server cesanta:mongoose_web_server (from the name) | 6.9 | CNA record |
References
- https://www.exploit-db.com/exploits/45819exploit
- https://www.vulncheck.com/advisories/mongoose-web-server-denial-of-service-via-socket-connectionthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.