Vulnerability-Lookup

CVE-2018-25259 (GCVE-0-2018-25259)

Vulnerability from cvelistv5 – Published: 2026-04-22 14:56 – Updated: 2026-04-23 14:06

Title

Terminal Services Manager 3.1 Buffer Overflow SEH

Summary

Terminal Services Manager 3.1 contains a stack-based buffer overflow vulnerability in the computer names field that allows local attackers to execute arbitrary code by triggering structured exception handling. Attackers can craft a malicious input file with shellcode and jump instructions that overwrite the SEH handler pointer to execute calc.exe or other payloads when imported through the add computers wizard.

Severity

8.6 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.4 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-23 14:03 UTC

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://www.exploit-db.com/exploits/46058	exploit
https://lizardsystems.com	product
https://www.vulncheck.com/advisories/terminal-ser…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Lizardsystems	Terminal Services Manager	Affected: 3.1	guessed

Date Public

2018-12-25 00:00

Credits

bzyo

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2018-25259

Vulnerability from fkie_nvd - Published: 2026-04-22 16:16 - Updated: 2026-06-17 01:55

Severity

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

Summary

References

URL	Tags
disclosure@vulncheck.com	https://lizardsystems.com	Product
disclosure@vulncheck.com	https://www.exploit-db.com/exploits/46058	Exploit, VDB Entry
disclosure@vulncheck.com	https://www.vulncheck.com/advisories/terminal-services-manager-buffer-overflow-seh	Third Party Advisory

Impacted products

	Vendor	Product	Version
	lizardsystems	terminal_services_manager	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Terminal Services Manager",
          "vendor": "Lizardsystems",
          "versions": [
            {
              "status": "affected",
              "version": "3.1"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "configurations": [
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      "nodes": [
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          "cpeMatch": [
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              "matchCriteriaId": "F66677EE-4531-4469-BA22-8B78049C8053",
              "versionEndIncluding": "3.1",
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      "lang": "en",
      "value": "Terminal Services Manager 3.1 contains a stack-based buffer overflow vulnerability in the computer names field that allows local attackers to execute arbitrary code by triggering structured exception handling. Attackers can craft a malicious input file with shellcode and jump instructions that overwrite the SEH handler pointer to execute calc.exe or other payloads when imported through the add computers wizard."
    }
  ],
  "id": "CVE-2018-25259",
  "lastModified": "2026-06-17T01:55:06.160",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
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          "baseScore": 8.4,
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          "integrityImpact": "HIGH",
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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        "type": "Secondary"
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      "tags": [
        "Product"
      ],
      "url": "https://lizardsystems.com"
    },
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      "source": "disclosure@vulncheck.com",
      "tags": [
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        {
          "lang": "en",
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      ],
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    }
  ]
}

GHSA-2M2R-HGFH-2MRP

Vulnerability from github – Published: 2026-04-22 18:31 – Updated: 2026-04-22 18:31

Details

Severity

8.4 (High)


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

8.6 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2018-25259"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-306"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-22T16:16:45Z",
    "severity": "HIGH"
  },
  "details": "Terminal Services Manager 3.1 contains a stack-based buffer overflow vulnerability in the computer names field that allows local attackers to execute arbitrary code by triggering structured exception handling. Attackers can craft a malicious input file with shellcode and jump instructions that overwrite the SEH handler pointer to execute calc.exe or other payloads when imported through the add computers wizard.",
  "id": "GHSA-2m2r-hgfh-2mrp",
  "modified": "2026-04-22T18:31:44Z",
  "published": "2026-04-22T18:31:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-25259"
    },
    {
      "type": "WEB",
      "url": "https://lizardsystems.com"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/46058"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/terminal-services-manager-buffer-overflow-seh"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2018-25259 (GCVE-0-2018-25259)

FKIE_CVE-2018-25259

GHSA-2M2R-HGFH-2MRP

Tags

Sightings

Nomenclature

Related by attack behaviour