// For flags

CVE-2023-7213

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 classified as critical was found in Totolink N350RT 9.3.5u.6139_B20201216. Affected by this vulnerability is the function main of the file /cgi-bin/cstecgi.cgi?action=login&flag=1 of the component HTTP POST Request Handler. The manipulation of the argument v33 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 identifier VDB-249769 was 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&flag=1 del componente HTTP POST Request Handler es afectada por esta vulnerabilidad. La manipulación del argumento v33 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. A esta vulnerabilidad se le asignó el identificador VDB-249769. NOTA: Se contactó primeramente al proveedor sobre esta divulgación, pero no respondió de ninguna forma.

In Totolink N350RT 9.3.5u.6139_B20201216 wurde eine kritische Schwachstelle entdeckt. Hierbei betrifft es die Funktion main der Datei /cgi-bin/cstecgi.cgi?action=login&flag=1 der Komponente HTTP POST Request Handler. Durch die Manipulation des Arguments v33 mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. 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
  • 2025-01-13 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