CVE-2025-3664: TOTOLINK A3700R cstecgi.cgi setWiFiEasyGuestCfg access control

6.9 CVSS

Description

A vulnerability, which was classified as critical, was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. Affected is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. It is possible to launch the attack 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. Es wurde eine Schwachstelle in TOTOLINK A3700R 9.1.2u.5822_B20200513 gefunden. Sie wurde als kritisch eingestuft. Es geht dabei um die Funktion setWiFiEasyGuestCfg der Datei /cgi-bin/cstecgi.cgi. Durch Beeinflussen mit unbekannten Daten kann eine improper access controls-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-3664

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.9

CVSS 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

Problem Types

Improper Access Controls Incorrect Privilege Assignment

Affected Products

Vendor: TOTOLINK

Product: A3700R

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.1% (probability of being exploited)

EPSS Percentile: 28.22% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-3664
https://vuldb.com/?id.304842
https://vuldb.com/?ctiid.304842
https://vuldb.com/?submit.551296
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-1cb53a41781f805f9ee3f1b2d362d3f2?pvs=4
https://www.totolink.net/

Timeline