// For flags

CVE-2023-7214

Totolink N350RT HTTP POST Request main 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, which was classified as critical, has been found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this issue is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v8 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249770 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Una vulnerabilidad fue encontrada en Totolink N350RT 9.3.5u.6139_B20201216 y clasificada como crítica. La función main del archivo /cgi-bin/cstecgi.cgi?action=login del componente HTTP POST Request Handler es afectada por esta vulnerabilidad. La manipulación del argumento v8 provoca un desbordamiento de búfer en la región stack de la memoria. El ataque puede lanzarse de forma remota. La explotación ha sido divulgada al público y puede utilizarse. VDB-249770 es el identificador asignado a esta vulnerabilidad. NOTA: Se contactó primeramente al proveedor sobre esta divulgación, pero no respondió de ninguna forma.

Eine kritische Schwachstelle wurde in Totolink N350RT 9.3.5u.6139_B20201216 entdeckt. Davon betroffen ist die Funktion main der Datei /cgi-bin/cstecgi.cgi?action=login der Komponente HTTP POST Request Handler. Durch Manipulation des Arguments v8 mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann 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
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2024-01-05 CVE Reserved
  • 2024-01-07 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-08-02 First Exploit
  • 2024-10-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-121: Stack-based Buffer Overflow
  • CWE-787: Out-of-bounds Write
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"
 N350rt Firmware
Search vendor "Totolink" for product "N350rt Firmware"
 9.3.5u.6139_b20201216
Search vendor "Totolink" for product "N350rt Firmware" and version "9.3.5u.6139_b20201216"
-
Affected
in Totolink
Search vendor "Totolink"
 N350rt
Search vendor "Totolink" for product "N350rt"
--
Safe