← Vulnerability feed

Vulnerability record · CVE-2018-25193 · published 6 March 2026

CVE-2018-25193: Insecure default initialization vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.34% · top 75.2% CWE-1188 · Insecure default initialization Deferred
8.7CVSS 4.0 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.exploit-db.com/exploits/45819
https://www.vulncheck.com/advisories/mongoose-web-server-denial-of-service-via-socket-connection

Track CVE-2018-25193 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.3CVE-2025-48927TeleMessage Spring Boot Actuator heap dump endpoint exposed by insecure defaultTeleMessage through 2025-05-05 ships with Spring Boot Actuator configured to expose the /heapdump endpoint. Because this is an insecure default initi…KEVEPSS 11%analysed9.8CVE-2023-27524Apache Superset default SECRET_KEY allows session forgery and auth bypassApache Superset versions up to and including 2.0.1 ship with a default SECRET_KEY that, if left unchanged, lets an attacker forge signed session cook…KEVEPSS 97%analysed9.8CVE-2023-6448Unitronics VisiLogic default admin password in Vision and Samba PLCs/HMIsUnitronics VisiLogic before 9.9.00, used with Vision and Samba PLCs and HMIs, ships with a default administrative password. Because the credential is…KEVEPSS 2.1%analysed9.8CVE-2022-24706Apache CouchDB default install allows unauthenticated admin accessApache CouchDB before 3.2.2 ships with an insecure default initialization that lets an unauthenticated attacker reach an improperly secured installat…KEVEPSS 93%analysed9.8CVE-2020-13927Apache Airflow Experimental API missing authentication by defaultAirflow's Experimental API defaulted to allowing all requests without authentication, so any reachable instance exposed its API to unauthenticated ca…KEVEPSS 100%analysed

Source: NIST National Vulnerability Database (record CVE-2018-25193), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.