Vulnerability-Lookup

CVE-2026-75012 (GCVE-0-2026-75012)

Vulnerability from cvelistv5 – Published: 2026-08-17 19:15 – Updated: 2026-08-18 12:31

Title

TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference

Summary

A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

Severity

7.1 (High)


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

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R

6.5 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-18 12:30 UTC

CWE

CWE-476 - NULL Pointer Dereference
CWE-404 - Denial of Service

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/vuln/391272	vdb-entrytechnical-description
https://vuldb.com/vuln/391272/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-75012	third-party-advisory
https://vuldb.com/submit/876022	third-party-advisory
https://gist.github.com/wyxstarry/afdc067090575c2…	exploit
https://www.totolink.net/	product

Impacted products

1 product

Vendor	Product	Version	CPE status
TOTOLINK	EX1200L	Affected: 9.3.5u.6146_B20201023 cpe:2.3:a:totolink:ex1200l::::::::

Credits

yuxin_wang (VulDB User)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-75012

Vulnerability from fkie_nvd - Published: 2026-08-17 20:16 - Updated: 2026-08-18 13:17

Severity

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

Summary

References

	URL	Tags
	cna@vuldb.com	https://gist.github.com/wyxstarry/afdc067090575c216a9d2622c3338e5c
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-75012
	cna@vuldb.com	https://vuldb.com/submit/876022
	cna@vuldb.com	https://vuldb.com/vuln/391272
	cna@vuldb.com	https://vuldb.com/vuln/391272/cti
	cna@vuldb.com	https://www.totolink.net/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:totolink:ex1200l:*:*:*:*:*:*:*:*"
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          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-75012",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-18T12:30:56.972365Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-17T20:16:47.317",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://gist.github.com/wyxstarry/afdc067090575c216a9d2622c3338e5c"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-75012"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/876022"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/391272"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/391272/cti"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://www.totolink.net/"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        },
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-5CJ7-V5PC-R7MQ

Vulnerability from github – Published: 2026-08-17 21:31 – Updated: 2026-08-17 21:31

Details

Severity

6.5 (Medium)


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

5.7 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-75012"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-404"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-17T20:16:47Z",
    "severity": "MODERATE"
  },
  "details": "A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.",
  "id": "GHSA-5cj7-v5pc-r7mq",
  "modified": "2026-08-17T21:31:24Z",
  "published": "2026-08-17T21:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-75012"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/wyxstarry/afdc067090575c216a9d2622c3338e5c"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-75012"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/876022"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/391272"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/391272/cti"
    },
    {
      "type": "WEB",
      "url": "https://www.totolink.net"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/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.

Action not permitted

CVE-2026-75012 (GCVE-0-2026-75012)

FKIE_CVE-2026-75012

GHSA-5CJ7-V5PC-R7MQ

Tags

Sightings

Nomenclature