// For flags

CVE-2024-6964

Tenda O3 fromDhcpSetSer stack-based 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, which was classified as critical, was found in Tenda O3 1.0.0.10. Affected is the function fromDhcpSetSer. The manipulation of the argument dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-272118 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 Tenda O3 1.0.0.10 y clasificada como crítica. La función fromDhcpSetSer es afectada por la vulnerabilidad. La manipulación del argumento dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway conduce a un desbordamiento de búfer en la región stack de la memoria. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado al público y puede utilizarse. VDB-272118 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 Schwachstelle in Tenda O3 1.0.0.10 gefunden. Sie wurde als kritisch eingestuft. Dabei betrifft es die Funktion fromDhcpSetSer. Dank der Manipulation des Arguments dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway 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: 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
  • 2024-07-21 CVE Reserved
  • 2024-07-22 CVE Published
  • 2024-07-26 EPSS Updated
  • 2024-08-01 CVE Updated
  • 2024-08-01 First Exploit
  • ---------- 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
Tenda
Search vendor "Tenda"
 O3 Firmware1.0.0.10\(2478\)
Search vendor "Tenda" for product "O3 Firmware1.0.0.10\(2478\)"
*-
Affected
in Tenda
Search vendor "Tenda"
 O3
Search vendor "Tenda" for product "O3"
 2.0
Search vendor "Tenda" for product "O3" and version "2.0"
-
Safe