Stack-Based Buffer Overflow in Tenda AC5 Router
CVE-2026-4902
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-4902?
A vulnerability exists in Tenda's AC5 router that allows for a stack-based buffer overflow through improper handling of a POST request in the addressNat component. This flaw occurs when the argument 'page' is manipulated by an attacker, potentially leading to unauthorized remote access and system compromise. With the exploit now publicly available, it is crucial for users of the affected Tenda AC5 version to take immediate action to mitigate risks.
Affected Version(s)
AC5 15.03.06.47
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_mie (VulDB User)