TOTOLINK A3700R 9.1.2u.5822_B20200513 /cgi-bin/cstecgi.cgi setL2tpServerCfg access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. Affected by this vulnerability is the function setL2tpServerCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation leads to access control. This vulnerability is traded as CVE-2025-3675. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been rated as critical. Affected by this issue is the function setL2tpServerCfg of the file /cgi-bin/cstecgi.cgi. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is integrity.

The advisory is shared for download at lavender-bicycle-a5a.notion.site. This vulnerability is handled as CVE-2025-3675. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

The exploit is available at lavender-bicycle-a5a.notion.site. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/16/2025 🔍
04/16/2025 +0 days 🔍
04/16/2025 +0 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: lavender-bicycle-a5a.notion.site
Status: Not defined

CVE: CVE-2025-3675 (🔍)
GCVE (CVE): GCVE-0-2025-3675
GCVE (VulDB): GCVE-100-304964
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/16/2025 02:57 AM
Updated: 04/16/2025 12:26 PM
Changes: 04/16/2025 02:57 AM (55), 04/16/2025 12:26 PM (30)
Complete: 🔍
Submitter: wxhwxhwxh_
Cache ID: 244::40

Submitinfo

Accepted

  • Submit #551304: TOTOLINK A3700R V9.1.2u.5822_B20200513 Improper Access Controls (by wxhwxhwxh_)

Once again VulDB remains the best source for vulnerability data.

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