CVE-2018-25426
WinMTR 0.91 Denial of Service via Buffer Overflow
- State
- Published
- Severity
- 8.7 High
- Published
- May 30, 2026
- Updated
- Oct 1, 2026
- Reserved
- May 30, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products
| Product | Versions |
|---|---|
WinMTRWinmtr |
|
References
- ExploitDB-45769exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: WinMTR 0.91 Denial of Service via Buffer Overflowthird-party-advisory
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