Stack-Based Buffer Overflow in Tenda RX3 Router
CVE-2025-3259
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
Summary
A stack-based buffer overflow vulnerability has been identified in the Tenda RX3 router's formSetDeviceName function within the /goform/SetOnlineDevName endpoint. This flaw allows an attacker to manipulate the devName argument, potentially enabling remote exploitation and unauthorized access to the affected device. The issue has become publicly disclosed, raising urgent concerns for users regarding their network security.
Affected Version(s)
RX3 16.03.13.11
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
syuvi (VulDB User)