CVE-2025-3665

Public Exploit
TOTOLINK A3700R cstecgi.cgi setSmartQosCfg access control

Description

A vulnerability has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this vulnerability is the function setSmartQosCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be launched 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.

Category

6.9
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: TOTOLINK A3700R
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.304843 third party advisory vdb entry technical description
https://vuldb.com/?ctiid.304843 signature vdb entry permissions required
https://vuldb.com/?submit.551297 third party advisory vdb entry
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setSmartQosCfg-1cb53a41781f80ce9b7aca2c6ff9bea4?pvs=4 exploit
https://www.totolink.net/ product
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setSmartQosCfg-1cb53a41781f80ce9b7aca2c6ff9bea4 exploit

Frequently Asked Questions

What is the severity of CVE-2025-3665?
CVE-2025-3665 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3665?
To fix CVE-2025-3665, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3665 being actively exploited in the wild?
It is possible that CVE-2025-3665 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3665?
CVE-2025-3665 affects TOTOLINK A3700R.
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