Vulnerability-Lookup

VAR-202408-0531

Vulnerability from variot - Updated: 2025-06-21 23:28

A vulnerability has been found in TOTOLINK EX1200L 9.3.5u.6146_B20201023 and classified as critical. Affected by this vulnerability is the function setLanguageCfg of the file /www/cgi-bin/cstecgi.cgi. The manipulation of the argument langType leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. TOTOLINK of ex1200l An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK EX1200L is a wireless repeater from China's TOTOLINK Electronics. No detailed vulnerability details are currently provided

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CVE-2024-7909 (GCVE-0-2024-7909)

Vulnerability from cvelistv5 – Published: 2024-08-18 18:00 – Updated: 2024-08-21 18:16

Title

TOTOLINK EX1200L cstecgi.cgi setLanguageCfg stack-based overflow

Summary

Severity

8.7 (High)


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

8.8 (High)


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

8.8 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/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 2024-08-19 17:47 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

VulDB CNA under the mitre root

CNA scorecard B 82/100 over 3706 records in the last 180 days details

References

5 references

URL	Tags
https://vuldb.com/?id.275035	vdb-entrytechnical-description
https://vuldb.com/?ctiid.275035	signaturepermissions-required
https://vuldb.com/?submit.388436	third-party-advisory
https://github.com/BeaCox/IoT_vuln/tree/main/toto…	exploit
https://www.totolink.net/	product

Impacted products

2 products

Vendor	Product	Version
TOTOLINK	EX1200L	Affected: 9.3.5u.6146_B20201023
totolink	ex1200l_firmware	Affected: 9.3.5u.6146_b20201023 cpe:2.3:o:totolink:ex1200l_firmware:9.3.5u.6146_b20201023:::::::*

Credits

BeaCox (VulDB User)

Show details on NVD website

JSON

To clipboard

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        {
          "lang": "en",
          "value": "A vulnerability has been found in TOTOLINK EX1200L 9.3.5u.6146_B20201023 and classified as critical. Affected by this vulnerability is the function setLanguageCfg of the file /www/cgi-bin/cstecgi.cgi. The manipulation of the argument langType leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "In TOTOLINK EX1200L 9.3.5u.6146_B20201023 wurde eine Schwachstelle gefunden. Sie wurde als kritisch eingestuft. Es geht um die Funktion setLanguageCfg der Datei /www/cgi-bin/cstecgi.cgi. Mit der Manipulation des Arguments langType mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 9,
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121 Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-08-21T18:16:05.783Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-275035 | TOTOLINK EX1200L cstecgi.cgi setLanguageCfg stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.275035"
        },
        {
          "name": "VDB-275035 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.275035"
        },
        {
          "name": "Submit #388436 | TOTOLINK EX1200L V9.3.5u.6146_B20201023 Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.388436"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/BeaCox/IoT_vuln/tree/main/totolink/EX1200L/setLanguageCfg_bof"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.totolink.net/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-08-17T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2024-08-17T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2024-08-19T14:44:33.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "TOTOLINK EX1200L cstecgi.cgi setLanguageCfg stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2024-7909",
    "datePublished": "2024-08-18T18:00:07.558Z",
    "dateReserved": "2024-08-17T17:09:37.974Z",
    "dateUpdated": "2024-08-21T18:16:05.783Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

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

VAR-202408-0531

CVE-2024-7909 (GCVE-0-2024-7909)

Tags

Sightings

Nomenclature

Related by attack behaviour