CVE-2025-3663

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

V3 Legend

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

V2 Legend

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-setWiFiEasyCfg-1cb53a41781f809f807efe1284f5eb1a?pvs=4	Exploit Third Party Advisory
https://vuldb.com/?ctiid.304841	Permissions Required
https://vuldb.com/?id.304841	Third Party Advisory VDB Entry
https://vuldb.com/?submit.551295	Third Party Advisory VDB Entry
https://www.totolink.net/	Product

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, 19:50

Type	Values Removed	Values Added
First Time		Totolink Totolink a3700r Totolink a3700r Firmware
CPE		cpe:2.3:h:totolink:a3700r:-:::::::* cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.5822_b20200513:::::::*
CWE		NVD-CWE-noinfo
References	~~() https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyCfg-1cb53a41781f809f807efe1284f5eb1a?pvs=4 -~~	() https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyCfg-1cb53a41781f809f807efe1284f5eb1a?pvs=4 - Exploit, Third Party Advisory
References	~~() https://vuldb.com/?ctiid.304841 -~~	() https://vuldb.com/?ctiid.304841 - Permissions Required
References	~~() https://vuldb.com/?id.304841 -~~	() https://vuldb.com/?id.304841 - Third Party Advisory, VDB Entry
References	~~() https://vuldb.com/?submit.551295 -~~	() https://vuldb.com/?submit.551295 - Third Party Advisory, VDB Entry
References	~~() https://www.totolink.net/ -~~	() https://www.totolink.net/ - Product

16 Apr 2025, 13:25

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

16 Apr 2025, 03:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-16 03:15

Updated : 2025-05-12 19:50

NVD link : CVE-2025-3663

Mitre link : CVE-2025-3663

CVE.ORG link : CVE-2025-3663

JSON object : View

Products Affected

totolink

a3700r_firmware
a3700r

CWE

CWE-266

Incorrect Privilege Assignment

CWE-284

Improper Access Control

NVD-CWE-noinfo

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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": "es", "value": "Se ha detectado una vulnerabilidad clasificada como cr\u00edtica en TOTOLINK A3700R 9.1.2u.5822_B20200513. Este problema afecta a la funci\u00f3n setWiFiEasyCfg/setWiFiEasyGuestCfg del archivo /cgi-bin/cstecgi.cgi del componente Password Handler. La manipulaci\u00f3n genera controles de acceso inadecuados. El ataque puede iniciarse remotamente. Se ha hecho p\u00fablico el exploit y puede que sea utilizado. Se contact\u00f3 al proveedor con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3."}], "lastModified": "2025-05-12T19:50:03.073", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.5822_b20200513:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C3F5D7B3-9362-4A1F-A53C-8B7DA8CAFAA0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a3700r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "05777EB4-0963-4317-AB0B-287A2140915D"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}

5.3 /10

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

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

JSON object

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