CVE-2018-25193

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 v4.0

8.7 HIGHCVSS: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:X/V:X/RE:X/U:X

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.34% chance of exploitation in the next 30 days, 27th percentile

Published

2026-03-06

Updated

2026-07-15

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/45819

References

• CVE Record
• NVD entry

Related

• CVE-2018-25192
• CVE-2018-25194
• CVE-2018-25191
• CVE-2018-25195
• CVE-2018-25190
• CVE-2018-25196