PT-2025-16554 · Totolink · Totolink A3700R

Yhryhryhr_Backup · Published 2025-04-15 · Updated 2025-04-22 · CVE-2025-3665

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 has been identified, affecting the setSmartQosCfg function of the /cgi-bin/cstecgi.cgi file. This leads to improper access controls. The issue can be exploited remotely.

Recommendations For TOTOLINK A3700R version 9.1.2u.5822 B20200513, as a temporary workaround, consider disabling the setSmartQosCfg 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:2025-05808

CVE-2025-3665

Affected Products

Totolink A3700R

References · 13

• 🔥 https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setSmartQosCfg-1cb53a41781f80ce9b7aca2c6ff9bea4 · Exploit
• 🔥 https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setSmartQosCfg-1cb53a41781f80ce9b7aca2c6ff9bea4?pvs=4 · Exploit
• https://bdu.fstec.ru/vul/2025-05808 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-3665 · Security Note
• https://osv.dev/vulnerability/CVE-2025-3665 · Vendor Advisory
• https://twitter.com/CVEnew/status/1912359793580220693 · Twitter Post
• https://vuldb.com/?submit.551297 · Note
• https://t.me/cvedetector/23045 · Telegram Post
• https://t.me/cvenotify/119412 · Telegram Post
• https://totolink.net · Note
• https://t.me/cvetracker/21713 · Telegram Post
• https://vuldb.com/?id.304843 · Note
• https://vuldb.com/?ctiid.304843 · Note