Buffer Overflow Vulnerability in Tenda O3 Router
CVE-2025-12212
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2025-12212?
A vulnerability has been detected in the Tenda O3 router version 1.0.0.10(2478) that allows for a stack-based buffer overflow through the SetValue/GetValue functions. By manipulating the 'upnpEn' argument in the '/goform/setNetworkService' file, an attacker can execute a remote exploit. This publicly available exploit poses a significant risk, enabling unauthorized access or potential system compromise.
Affected Version(s)
O3 1.0.0.10(2478)
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.
References
CVSS V4
Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved
Credit
wxhwxhwxh_ (VulDB User)