Is CVE-2018-25426 in the CISA KEV catalog?

No. CVE-2018-25426 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-25426?

CVE-2018-25426 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-25426?

CVE-2018-25426 has an EPSS score of 0.51% (40th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2018-25426

HIGH

7.5

CVSS v3

NVD

Description

WinMTR 0.91 contains a denial of service vulnerability that allows attackers to crash the application by sending a malformed payload file containing a large buffer of repeated characters. Attackers can create a specially crafted input file with 238 bytes of data to trigger a buffer overflow condition that causes the application to crash.

CWE-120

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.51%probability of exploitation in 30 days

40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-03.