Vulnerability-Lookup

VAR-202407-2402

Vulnerability from variot - Updated: 2025-04-22 23:28

A vulnerability was found in TOTOLINK A3100R 4.1.2cu.5050_B20200504. It has been classified as critical. This affects the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272571. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. TOTOLINK of A3100R Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A3100R is a series of wireless routers from China's TOTOLINK Electronics. The vulnerability is caused by the http_host of the getSaveConfig function of /cgi-bin/cstecgi.cgi?action=save&setting failing to correctly verify the length of the input data. A remote attacker can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service attack

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CVE-2024-7157 (GCVE-0-2024-7157)

Vulnerability from cvelistv5 – Published: 2024-07-28 11:00 – Updated: 2024-08-01 21:52

Title

TOTOLINK A3100R getSaveConfig buffer 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

CWE

CWE-120 - Buffer Overflow

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.272571	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.272571	signaturepermissions-required
	https://vuldb.com/?submit.377542	third-party-advisory
	https://github.com/abcdefg-png/IoT-vulnerable/blo…	exploit

Impacted products

	Vendor	Product	Version
	TOTOLINK	A3100R	Affected: 4.1.2cu.5050_B20200504

Credits

yhryhryhr_tu (VulDB User)

Show details on NVD website

JSON

To clipboard

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            "name": "VDB-272571 | CTI Indicators (IOB, IOC, IOA)",
            "tags": [
              "signature",
              "permissions-required",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?ctiid.272571"
          },
          {
            "name": "Submit #377542 | TOTOLINK A3100R V4.1.2cu.5050_B20200504 Buffer Overflow",
            "tags": [
              "third-party-advisory",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?submit.377542"
          },
          {
            "tags": [
              "exploit",
              "x_transferred"
            ],
            "url": "https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3100R/getSaveConfig.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "A3100R",
          "vendor": "TOTOLINK",
          "versions": [
            {
              "status": "affected",
              "version": "4.1.2cu.5050_B20200504"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "yhryhryhr_tu (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in TOTOLINK A3100R 4.1.2cu.5050_B20200504. It has been classified as critical. This affects the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save\u0026setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272571. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "Es wurde eine Schwachstelle in TOTOLINK A3100R 4.1.2cu.5050_B20200504 ausgemacht. Sie wurde als kritisch eingestuft. Hiervon betroffen ist die Funktion getSaveConfig der Datei /cgi-bin/cstecgi.cgi?action=save\u0026setting. Mit der Manipulation des Arguments http_host mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk angegangen werden. 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-120",
              "description": "CWE-120 Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-28T11:00:06.342Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-272571 | TOTOLINK A3100R getSaveConfig buffer overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.272571"
        },
        {
          "name": "VDB-272571 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.272571"
        },
        {
          "name": "Submit #377542 | TOTOLINK A3100R V4.1.2cu.5050_B20200504 Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.377542"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3100R/getSaveConfig.md"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-07-27T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2024-07-27T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2024-07-27T19:32:41.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "TOTOLINK A3100R getSaveConfig buffer overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2024-7157",
    "datePublished": "2024-07-28T11:00:06.342Z",
    "dateReserved": "2024-07-27T17:27:22.979Z",
    "dateUpdated": "2024-08-01T21:52:30.570Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

VAR-202407-2402

CVE-2024-7157 (GCVE-0-2024-7157)

Tags

Sightings

Nomenclature