// For flags

CVE-2024-1002

Totolink N200RE cstecgi.cgi setIpPortFilterRules 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

-
*SSVC
Descriptions

A vulnerability classified as critical was found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this vulnerability is the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ePort leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252271. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Una vulnerabilidad fue encontrada en Totolink N200RE 9.3.5u.6139_B20201216 y clasificada como crítica. La función setIpPortFilterRules del archivo /cgi-bin/cstecgi.cgi es afectada por esta vulnerabilidad. La manipulación del argumento ePort provoca un desbordamiento de búfer en la región stack de la memoria. El ataque se puede lanzar de forma remota. La explotación ha sido divulgada al público y puede utilizarse. El identificador asociado de esta vulnerabilidad es VDB-252271. 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 kritische Schwachstelle entdeckt. Das betrifft die Funktion setIpPortFilterRules der Datei /cgi-bin/cstecgi.cgi. Durch Manipulieren des Arguments ePort mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. 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:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2024-01-29 CVE Reserved
  • 2024-01-29 CVE Published
  • 2024-08-01 CVE Updated
  • 2024-08-01 First Exploit
  • 2024-10-10 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