Vulnerability-Lookup

CVE-2018-25426 (GCVE-0-2018-25426)

Vulnerability from cvelistv5 – Published: 2026-05-30 14:55 – Updated: 2026-06-01 14:41

Title

WinMTR 0.91 Denial of Service via Buffer Overflow

Summary

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.

Severity

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

7.5 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

VulnCheck

References

4 references

URL	Tags
https://www.exploit-db.com/exploits/45769	exploit
http://winmtr.net	product
http://winmtr.net/winmtr_download/	product
https://www.vulncheck.com/advisories/winmtr-denia…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Winmtr	WinMTR	Affected: 0.91

Date Public

2018-11-01 00:00

Credits

Ihsan Sencan

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2018-25426

Vulnerability from fkie_nvd - Published: 2026-05-30 16:17 - Updated: 2026-07-22 07:10

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

URL	Tags
disclosure@vulncheck.com	http://winmtr.net	Product
disclosure@vulncheck.com	http://winmtr.net/winmtr_download/	Exploit
disclosure@vulncheck.com	https://www.exploit-db.com/exploits/45769	Exploit, Third Party Advisory, VDB Entry
disclosure@vulncheck.com	https://www.vulncheck.com/advisories/winmtr-denial-of-service-via-buffer-overflow	Third Party Advisory

Impacted products

	Vendor	Product	Version
	winmtr	winmtr	0.91

JSON

To clipboard

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          "product": "WinMTR",
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    }
  ],
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  "lastModified": "2026-07-22T07:10:00.107",
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GHSA-XXV6-9R94-CFXM

Vulnerability from github – Published: 2026-05-30 18:31 – Updated: 2026-05-30 18:31

Details

Severity

7.5 (High)


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

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

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{
  "affected": [],
  "aliases": [
    "CVE-2018-25426"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-30T16:17:03Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-xxv6-9r94-cfxm",
  "modified": "2026-05-30T18:31:00Z",
  "published": "2026-05-30T18:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-25426"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45769"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/winmtr-denial-of-service-via-buffer-overflow"
    },
    {
      "type": "WEB",
      "url": "http://winmtr.net"
    },
    {
      "type": "WEB",
      "url": "http://winmtr.net/winmtr_download"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2018-25426 (GCVE-0-2018-25426)

FKIE_CVE-2018-25426

GHSA-XXV6-9R94-CFXM

Tags

Sightings

Nomenclature