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CVE-2017-7185

42
FAUCET Score

CVE-2017-7185 is a high-severity use-after-free vulnerability affecting Cesanta Mongoose Embedded Web Server Library versions 6.7 and earlier, and Mongoose OS versions 1.2 and earlier. A remote attacker can exploit this by sending a malformed multipart/form-data POST request without a MIME boundary, leading to a denial of service (crash). The attack is network-based, low complexity, and requires no user interaction or privileges. While not on the KEV catalog, an exploit (EDB-41826) exists, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.7CPE matchmatch criteria
cpe:2.3:a:cesanta:mongoose_embedded_web_server_library:*:*:*:*:*:*:*:*
<= 1.2CPE matchmatch criteria
cpe:2.3:o:cesanta:mongoose_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
12.25%
Probability of exploitation in next 30 days
EPSS Percentile
95.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-41826 · Apr 6, 2017
This CVE's current EPSS score of 0.1225 is in the 94th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / cesanta/mongoose/commit/b8402ed0733e3f244588b61ad5fedd093e3cf9cc
PatchThird Party Advisory
github.com / cesanta/mongoose-os/commit/042eb437973a202d00589b13d628181c6de5cf5b
PatchThird Party Advisory
compass-security.com / fileadmin/Datein/Research/Advisories/CVE-2017-7185_mongoose_os_use_after_free.txt
ExploitTechnical DescriptionThird Party Advisory
exploit-db.com / exploits/41826
securityfocus.com / archive/1/540355/100/0/threaded
securityfocus.com / bid/97370
Third Party AdvisoryVDB Entry