TOTOLINK A720R 4.1.5cu.374 /cgi-bin/cstecgi.cgi topicurl information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument topicurl with the input showSyslog leads to information disclosure. This vulnerability is handled as CVE-2025-4271. The attack may be launched remotely. Furthermore, there is an exploit available. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been declared as problematic. Affected by this vulnerability is an unknown code block of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument topicurl with the input value showSyslog leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-4271. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

It is possible to download the exploit at github.com. 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

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

05/04/2025 Advisory disclosed
05/04/2025 +0 days VulDB entry created
05/05/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2025-4271 (🔒)
GCVE (CVE): GCVE-0-2025-4271
GCVE (VulDB): GCVE-100-307375
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/04/2025 08:30 PM
Updated: 05/05/2025 10:32 AM
Changes: 05/04/2025 08:30 PM (56), 05/05/2025 10:32 AM (30)
Complete: 🔍
Submitter: 153528990
Cache ID: 18:3DB:40

Submitinfo

Accepted

  • Submit #563444: TOTOLINK A720R V4.1.5cu.374 Exposure of Sensitive System Information to an Unauthorized Cont (by 153528990)

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