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

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac5
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.

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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.

CVE-2025-5794 - Proof of Concept

References

https://vuldb.com/?id.311348
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311348
signaturepermissions-required
https://vuldb.com/?submit.591223
third-party-advisory

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)
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