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CVE-2018-25426

WinMTR 0.91 Denial of Service via Buffer Overflow

Published: May 30, 2026Updated: May 30, 2026 Sources: CVE List NVD
NVD MITRE
7.5CVSS
HIGH

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High

Weaknesses

CWE-120

Affected Products

WinMTR
Winmtr

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.exploit-db.com/exploits/45769
exploit-db.com
http://winmtr.net
winmtr.net
http://winmtr.net/winmtr_download/
winmtr.net
and 1 more references View all →

Timeline

Published
May 30, 2026
Last Updated
May 30, 2026

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