// For flags

CVE-2023-7219

Totolink N350RT cstecgi.cgi loginAuth stack-based overflow

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability has been found in Totolink N350RT 9.3.5u.6139_B202012 and classified as critical. Affected by this vulnerability is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host 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-249853 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Una vulnerabilidad ha sido encontrada en Totolink N350RT 9.3.5u.6139_B202012 y clasificada como crítica. La función loginAuth del archivo /cgi-bin/cstecgi.cgi es afectada por esta vulnerabilidad. La manipulación del argumento http_host 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-249853. NOTA: Se contactó primeramente con el proveedor sobre esta divulgación, pero no respondió de ninguna manera.

In Totolink N350RT 9.3.5u.6139_B202012 wurde eine Schwachstelle gefunden. Sie wurde als kritisch eingestuft. Dabei geht es um die Funktion loginAuth der Datei /cgi-bin/cstecgi.cgi. Durch Beeinflussen des Arguments http_host 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
None
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
  • 2024-01-07 CVE Reserved
  • 2024-01-09 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-08-02 First Exploit
  • 2024-10-12 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"
 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