A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this issue is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack may be launched 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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Totolink
  • A3700r
  • A3700r Firmware

Configuration 1 [-]

AND
cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.5822_b20200513:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a3700r:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setDdnsCfg-1cb53a41781f8001b9c0f345a120e2e7?pvs=4 cve-icon cve-icon
https://vuldb.com/?ctiid.304844 cve-icon cve-icon
https://vuldb.com/?id.304844 cve-icon cve-icon
https://vuldb.com/?submit.551298 cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
History

Mon, 12 May 2025 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Totolink
Totolink a3700r
Totolink a3700r Firmware
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:h:totolink:a3700r:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.5822_b20200513:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink a3700r
Totolink a3700r Firmware

Wed, 16 Apr 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 16 Apr 2025 03:45:00 +0000

Type Values Removed Values Added
Description A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this issue is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack may be launched 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.
Title TOTOLINK A3700R cstecgi.cgi setDdnsCfg access control
Weaknesses CWE-266
CWE-284
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:P/A:N'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 6.9, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-04-16T03:31:07.271Z

Updated: 2025-04-16T13:27:42.335Z

Reserved: 2025-04-15T20:46:48.219Z

Link: CVE-2025-3666

cve-icon Vulnrichment

Updated: 2025-04-16T13:27:36.434Z

cve-icon NVD

Status : Analyzed

Published: 2025-04-16T04:15:23.040

Modified: 2025-05-12T19:49:52.043

Link: CVE-2025-3666

cve-icon Redhat

No data.