Vulnerability details
CVE-2018-25426
Winmtr WinMTR
WinMTR 0.91 Denial of Service via Buffer Overflow
CVSS 4.0
8.7High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Winmtr | WinMTR | 0.91 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://www.exploit-db.com/exploits/45769 exploit
- http://winmtr.net product
- http://winmtr.net/winmtr_download/ product
- https://www.vulncheck.com/advisories/winmtr-denial-of-service-via-buffer-overflow third-party-advisory
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Details
- Published
- 2026-05-30
- Last updated
- 2026-10-01
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.51%
Probability of exploitation in 30 days
44%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')