Vulnerability-Lookup

VAR-202504-1154

Vulnerability from variot - Updated: 2025-07-04 23:41

A vulnerability, which was classified as critical, has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513. This issue affects the function setWiFiEasyCfg/setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component Password Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. TOTOLINK of a3700r There are unspecified vulnerabilities in the firmware.Information is tampered with and service operation is interrupted (DoS) It may be in a state. TOTOLINK A3700R is a wireless router that provides wireless network connection function.

TOTOLINK A3700R has an improper access control vulnerability, which is caused by the setWiFiEasyCfg/setWiFiEasyGuestCfg function in the /cgi-bin/cstecgi.cgi file failing to properly handle specific requests. No detailed vulnerability details are currently provided

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CVE-2025-3663 (GCVE-0-2025-3663)

Vulnerability from cvelistv5 – Published: 2025-04-16 02:31 – Updated: 2025-04-16 13:28

Title

TOTOLINK A3700R Password cstecgi.cgi setWiFiEasyGuestCfg access control

Summary

Severity ?

6.9 (Medium)


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

5.3 (Medium)


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

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-284 - Improper Access Controls
CWE-266 - Incorrect Privilege Assignment

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.304841	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.304841	signaturepermissions-required
	https://vuldb.com/?submit.551295	third-party-advisory
	https://lavender-bicycle-a5a.notion.site/TOTOLINK…	exploit
	https://www.totolink.net/	product

Impacted products

	Vendor	Product	Version
	TOTOLINK	A3700R	Affected: 9.1.2u.5822_B20200513

Credits

yhryhryhr_ (VulDB User)

Show details on NVD website

JSON

To clipboard

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          "value": "A vulnerability, which was classified as critical, has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513. This issue affects the function setWiFiEasyCfg/setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component Password Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "Eine Schwachstelle wurde in TOTOLINK A3700R 9.1.2u.5822_B20200513 entdeckt. Sie wurde als kritisch eingestuft. Es geht hierbei um die Funktion setWiFiEasyCfg/setWiFiEasyGuestCfg der Datei /cgi-bin/cstecgi.cgi der Komponente Password Handler. Durch das Beeinflussen mit unbekannten Daten kann eine improper access controls-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk angegangen werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "Improper Access Controls",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-266",
              "description": "Incorrect Privilege Assignment",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-04-16T02:31:06.295Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-304841 | TOTOLINK A3700R Password cstecgi.cgi setWiFiEasyGuestCfg access control",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.304841"
        },
        {
          "name": "VDB-304841 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.304841"
        },
        {
          "name": "Submit #551295 | TOTOLINK A3700R V9.1.2u.5822_B20200513 Improper Access Controls",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.551295"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyCfg-1cb53a41781f809f807efe1284f5eb1a?pvs=4"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.totolink.net/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-04-15T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-04-15T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-04-15T22:52:00.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "TOTOLINK A3700R Password cstecgi.cgi setWiFiEasyGuestCfg access control"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-3663",
    "datePublished": "2025-04-16T02:31:06.295Z",
    "dateReserved": "2025-04-15T20:46:38.318Z",
    "dateUpdated": "2025-04-16T13:28:44.938Z",
    "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-202504-1154

CVE-2025-3663 (GCVE-0-2025-3663)

Tags

Sightings

Nomenclature