PT-2025-16557 · Totolink · Totolink A3700R

Yhryhryhr_Miemie · Published 2025-04-15 · Updated 2025-04-16 · CVE-2025-3668

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions TOTOLINK A3700R version 9.1.2u.5822 B20200513

Description A critical issue affects the setScheduleCfg function of the /cgi-bin/cstecgi.cgi file, leading to improper access controls. The attack can be initiated remotely. The vendor was contacted about this disclosure but did not respond.

Recommendations For TOTOLINK A3700R version 9.1.2u.5822 B20200513, as a temporary workaround, consider disabling the setScheduleCfg function until a patch is available. Restrict access to the /cgi-bin/cstecgi.cgi file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Access Control

Incorrect Privilege Assignment

Weakness Enumeration

CWE-284

CWE-266

Related Identifiers

BDU:2025-05801

CVE-2025-3668

Affected Products

Totolink A3700R

References · 11

• 🔥 https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setScheduleCfg-1cb53a41781f8042a841e2e19e010464?pvs=4 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-3668 · Security Note
• https://osv.dev/vulnerability/CVE-2025-3668 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-05801 · Security Note
• https://twitter.com/CVEnew/status/1912366341887078628 · Twitter Post
• https://vuldb.com/?id.304846 · Note
• https://totolink.net · Note
• https://vuldb.com/?ctiid.304846 · Note
• https://t.me/cvedetector/23053 · Telegram Post
• https://t.me/cvetracker/21718 · Telegram Post
• https://vuldb.com/?submit.551300 · Note