// For flags

CVE-2024-0999

Totolink N200RE cstecgi.cgi setParentalRules stack-based overflow

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument eTime leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252268. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Se encontró una vulnerabilidad en Totolink N200RE 9.3.5u.6139_B20201216. Ha sido declarada crítica. Esta vulnerabilidad afecta a la función setParentalRules del archivo /cgi-bin/cstecgi.cgi. La manipulación del argumento eTime provoca un desbordamiento de búfer en la región stack de la memoria. El ataque se puede iniciar de forma remota. El exploit ha sido divulgado al público y puede utilizarse. El identificador de esta vulnerabilidad es VDB-252268. NOTA: Se contactó primeramente con el proveedor sobre esta divulgación, pero no respondió de ninguna manera.

In Totolink N200RE 9.3.5u.6139_B20201216 wurde eine Schwachstelle ausgemacht. Sie wurde als kritisch eingestuft. Dabei geht es um die Funktion setParentalRules der Datei /cgi-bin/cstecgi.cgi. Mittels dem Manipulieren des Arguments eTime mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

*Credits: jylsec
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Multiple
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2024-01-29 CVE Reserved
  • 2024-01-29 CVE Published
  • 2024-08-23 CVE Updated
  • 2024-08-23 First Exploit
  • 2024-12-29 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-121: Stack-based Buffer Overflow
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"
 N200re Firmware
Search vendor "Totolink" for product "N200re Firmware"
 9.3.5u.6139_b20201216
Search vendor "Totolink" for product "N200re Firmware" and version "9.3.5u.6139_b20201216"
-
Affected
in Totolink
Search vendor "Totolink"
 N200re
Search vendor "Totolink" for product "N200re"
--
Safe