// For flags

CVE-2025-4271

TOTOLINK A720R cstecgi.cgi information disclosure

Severity Score

6.9
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument topicurl with the input showSyslog leads to information disclosure. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Se encontró una vulnerabilidad en TOTOLINK A720R 4.1.5cu.374. Se ha declarado problemática. Esta vulnerabilidad afecta a una funcionalidad desconocida del archivo /cgi-bin/cstecgi.cgi. La manipulación del argumento "topicurl" con la entrada "showSyslog" provoca la divulgación de información. El ataque puede ejecutarse remotamente. Se ha hecho público el exploit y puede que sea utilizado.

In TOTOLINK A720R 4.1.5cu.374 wurde eine problematische Schwachstelle ausgemacht. Es geht um eine nicht näher bekannte Funktion der Datei /cgi-bin/cstecgi.cgi. Mit der Manipulation des Arguments topicurl mit der Eingabe showSyslog mit unbekannten Daten kann eine information disclosure-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

*Credits: 153528990
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
Low
None
Integrity
None
None
Availability
None
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-05-04 CVE Reserved
  • 2025-05-05 CVE Published
  • 2025-05-05 CVE Updated
  • 2025-05-05 First Exploit
  • 2025-06-06 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-284: Improper Access Control
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
TOTOLINK
Search vendor "TOTOLINK"
A720R
Search vendor "TOTOLINK" for product "A720R"
4.1.5.374
Search vendor "TOTOLINK" for product "A720R" and version "4.1.5.374"
en
Affected