CVE-2025-3666

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

No configuration.

History

16 Apr 2025, 13:25

Type	Values Removed	Values Added
Summary		(es) Se encontró una vulnerabilidad en TOTOLINK A3700R 9.1.2u.5822_B20200513, clasificada como crítica. Este problema afecta a la función setDdnsCfg del archivo /cgi-bin/cstecgi.cgi. La manipulación genera controles de acceso inadecuados. El ataque puede ejecutarse remotamente. Se ha hecho público el exploit y puede que sea utilizado. Se contactó al proveedor con antelación para informarle sobre esta divulgación, pero no respondió.

16 Apr 2025, 04:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-16 04:15

Updated : 2025-04-16 13:25

NVD link : CVE-2025-3666

Mitre link : CVE-2025-3666

CVE.ORG link : CVE-2025-3666

JSON object : View

Products Affected

No product.

CWE

CWE-266

Incorrect Privilege Assignment

CWE-284

Improper Access Control

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