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.
References
Configurations

Configuration 1 (hide)

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

History

12 May 2025, 19:49

Type Values Removed Values Added
CWE NVD-CWE-noinfo
CPE cpe:2.3:h:totolink:a3700r:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.5822_b20200513:*:*:*:*:*:*:*
References () https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setDdnsCfg-1cb53a41781f8001b9c0f345a120e2e7?pvs=4 - () https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setDdnsCfg-1cb53a41781f8001b9c0f345a120e2e7?pvs=4 - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.304844 - () https://vuldb.com/?ctiid.304844 - Permissions Required
References () https://vuldb.com/?id.304844 - () https://vuldb.com/?id.304844 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.551298 - () https://vuldb.com/?submit.551298 - Third Party Advisory, VDB Entry
References () https://www.totolink.net/ - () https://www.totolink.net/ - Product
First Time Totolink
Totolink a3700r
Totolink a3700r Firmware

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 : 2025-05-12 19:49


NVD link : CVE-2025-3666

Mitre link : CVE-2025-3666

CVE.ORG link : CVE-2025-3666


JSON object : View

Products Affected

totolink

  • a3700r_firmware
  • a3700r
CWE
CWE-266

Incorrect Privilege Assignment

CWE-284

Improper Access Control

NVD-CWE-noinfo