Stack-Based Buffer Overflow in Tenda O3 Devices
CVE-2024-6964

8.8HIGH

Key Information:

Vendor
Tenda
Status
O3
Vendor
CVE Published:
22 July 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical vulnerability has been identified in Tenda O3 devices, specifically in version 1.0.0.10. The issue resides in the fromDhcpSetSer function, where improper handling of parameters such as dhcpEn, startIP, endIP, preDNS, altDNS, mask, and gateway can lead to a stack-based buffer overflow. This flaw allows attackers to execute arbitrary code remotely, posing significant security risks to users. Despite being disclosed publicly, the vendor has not responded to early notifications regarding this vulnerability. Users are advised to assess their device's security and apply necessary mitigations to safeguard against potential attacks.

Affected Version(s)

O3 1.0.0.10

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-6964 - Proof of Concept

References

https://vuldb.com/?id.272118
vdb-entrytechnical-description
https://vuldb.com/?ctiid.272118
signaturepermissions-required
https://vuldb.com/?submit.374585
third-party-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)

Credit

yhryhryhr_tu (VulDB User)
.