CVE-2025-3668: TOTOLINK A3700R cstecgi.cgi setScheduleCfg access control

6.9 CVSS

Description

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. This vulnerability affects the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can 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. In TOTOLINK A3700R 9.1.2u.5822_B20200513 wurde eine Schwachstelle ausgemacht. Sie wurde als kritisch eingestuft. Das betrifft die Funktion setScheduleCfg der Datei /cgi-bin/cstecgi.cgi. Durch die Manipulation mit unbekannten Daten kann eine improper access controls-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-3668

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: 0.09% (probability of being exploited)

EPSS Percentile: 26.17% (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-2025-3668
https://vuldb.com/?id.304846
https://vuldb.com/?ctiid.304846
https://vuldb.com/?submit.551300
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setScheduleCfg-1cb53a41781f8042a841e2e19e010464?pvs=4
https://www.totolink.net/

Timeline