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CVE-2018-18225

26
FAUCET Score

CVE-2018-18225 describes a denial-of-service vulnerability in Wireshark versions 2.6.0 through 2.6.3, where a crafted CoAP packet could cause the dissector to crash. This vulnerability has a CVSSv3 score of 7.5 (High), indicating it can be exploited remotely without user interaction to achieve a complete denial of service. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.0, <= 2.6.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
2.88%
Probability of exploitation in next 30 days
EPSS Percentile
85.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0288 is in the 74th percentile among its peer group of 51,551 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

Vendor Advisories (1)

redhatCVE-2018-18225Moderate

wireshark: CoAP dissector crash

Oct 10, 2018

References

lists.opensuse.org / opensuse-security-announce/2020-03/msg00027.html
Third Party Advisory
bugs.wireshark.org / bugzilla/show_bug.cgi
Issue TrackingPatchVendor Advisory
code.wireshark.org / review/gitweb
debian.org / security/2018/dsa-4359
Third Party Advisory
wireshark.org / security/wnpa-sec-2018-49.html
Vendor Advisory
securityfocus.com / bid/105583
Third Party AdvisoryVDB Entry
securitytracker.com / id/1041909
Third Party AdvisoryVDB Entry