Buffer Overflow in Tenda AC5 Router's User Management Function
CVE-2025-5794

8.7HIGH

Key Information:

Vendor

Tenda

Status
Vendor
CVE Published:
6 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5794?

A buffer overflow vulnerability exists in the Tenda AC5 router within the function formSetPPTPUserList of the /goform/setPptpUserList file. By manipulating the argument list, an attacker may trigger this vulnerability, allowing for remote exploitation. The details surrounding this issue have been publicly disclosed, posing a significant threat to the security of affected network environments.

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

yhryhryhr (VulDB User)
.
The Cyber Security Vulnerability Database.