5.3
MEDIUM
CVE-2025-3674
TOTOLINK A3700R Remote Improper Access Control Vulnerability
Description

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. Affected by this vulnerability is the function setUrlFilterRules 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.

INFO

Published Date :

April 16, 2025, 7:15 a.m.

Last Modified :

April 22, 2025, 4:52 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2025-3674 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Totolink a3700r_firmware
2 Totolink a3700r
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-3674.

URL Resource
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUrlFilterRules-1cb53a41781f808f9547da7748580914?pvs=4 Exploit
https://vuldb.com/?ctiid.304963 Permissions Required VDB Entry
https://vuldb.com/?id.304963 Third Party Advisory VDB Entry
https://vuldb.com/?submit.551302 Third Party Advisory VDB Entry
https://www.totolink.net/ Product
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUrlFilterRules-1cb53a41781f808f9547da7748580914 Exploit

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-3674 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-3674 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Apr. 22, 2025

    Action Type Old Value New Value
    Added CWE NVD-CWE-Other
    Added CPE Configuration AND OR *cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.5822_b20200513:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a3700r:-:*:*:*:*:*:*:*
    Added Reference Type CISA-ADP: https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUrlFilterRules-1cb53a41781f808f9547da7748580914 Types: Exploit
    Added Reference Type VulDB: https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUrlFilterRules-1cb53a41781f808f9547da7748580914?pvs=4 Types: Exploit
    Added Reference Type VulDB: https://vuldb.com/?ctiid.304963 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.304963 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.551302 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://www.totolink.net/ Types: Product
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 16, 2025

    Action Type Old Value New Value
    Added Reference https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUrlFilterRules-1cb53a41781f808f9547da7748580914
  • New CVE Received by [email protected]

    Apr. 16, 2025

    Action Type Old Value New Value
    Added Description A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. Affected by this vulnerability is the function setUrlFilterRules 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.
    Added CVSS V4.0 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
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CWE CWE-284
    Added CWE CWE-266
    Added Reference https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUrlFilterRules-1cb53a41781f808f9547da7748580914?pvs=4
    Added Reference https://vuldb.com/?ctiid.304963
    Added Reference https://vuldb.com/?id.304963
    Added Reference https://vuldb.com/?submit.551302
    Added Reference https://www.totolink.net/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-3674 is associated with the following CWEs:

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Apr. 26, 2025 23:13