// For flags

CVE-2023-7218

Totolink N350RT cstecgi.cgi loginAuth stack-based overflow

Severity Score

7.2
*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, was found in Totolink N350RT 9.3.5u.6139_B202012. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-249852. 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_B202012 y clasificada como crítica. La función loginAuth del fichero /cgi-bin/cstecgi.cgi es afectada por la vulnerabilidad. La manipulación del argumento contraseña provoca un desbordamiento de búfer en la región stack de la memoria. Es posible lanzar el ataque de forma remota. El identificador de esta vulnerabilidad es VDB-249852. NOTA: Se contactó primeramente con el proveedor sobre esta divulgación, pero no respondió de ninguna manera.

Es wurde eine Schwachstelle in Totolink N350RT 9.3.5u.6139_B202012 gefunden. Sie wurde als kritisch eingestuft. Es geht dabei um die Funktion loginAuth der Datei /cgi-bin/cstecgi.cgi. Durch das Beeinflussen des Arguments password mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren.

*Credits: jylsec
CVSS Scores
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
  • 2024-01-08 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-08-02 First Exploit
  • 2024-10-11 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-121: Stack-based Buffer Overflow
CAPEC
References (2)
URL Tag Source
https://vuldb.com/?id.249852 Technical Description
URL Date SRC
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/4/README.md 2024-08-02
URL Date SRC
URL Date SRC
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