Stack-based Buffer Overflow in Tenda HG3 Affected by Vulnerability
CVE-2026-7151
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-7151?
A stack-based buffer overflow exists in the Tenda HG3 model 2.0 due to insufficient validation in the formUploadConfig function located in the /boaform/formIPv6Routing file. This insecurity can be exploited remotely by manipulating the destNet parameter, potentially allowing an attacker to execute arbitrary code. The details of this flaw have been made public, increasing the risk of exploitation across networks utilizing this device.
Affected Version(s)
HG3 2.0
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
2er00ne (VulDB User)