// For flags

CVE-2024-7335

TOTOLINK EX200 getSaveConfig buffer overflow

Severity Score

8.7
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273258 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 ha sido encontrada en TOTOLINK EX200 4.0.3c.7646_B20201211 y clasificada como crítica. La función getSaveConfig del fichero /cgi-bin/cstecgi.cgi?action=save&setting está afectada por la vulnerabilidad. La manipulación del argumento http_host provoca un desbordamiento de búfer. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado al público y puede utilizarse. VDB-273258 es el identificador asignado a esta vulnerabilidad. NOTA: Se contactó al proveedor tempranamente sobre esta divulgación, pero no respondió de ninguna manera.

Es wurde eine kritische Schwachstelle in TOTOLINK EX200 4.0.3c.7646_B20201211 entdeckt. Dabei betrifft es die Funktion getSaveConfig der Datei /cgi-bin/cstecgi.cgi?action=save&setting. Durch das Manipulieren des Arguments http_host mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

*Credits: yhryhryhr_tu
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
High
None
Integrity
High
None
Availability
High
None
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
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2024-07-31 CVE Reserved
  • 2024-08-01 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-08-06 First Exploit
  • 2024-08-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic 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"
 Ex200 Firmware
Search vendor "Totolink" for product "Ex200 Firmware"
*-
Affected