Buffer Overflow Vulnerability in Tenda AC7 Router
CVE-2025-3346

8.7HIGH

Key Information:

Vendor
Tenda
Status
Vendor
CVE Published:
7 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in the Tenda AC7 router, specifically within the formSetPPTPServer function of the /goform/SetPptpServerCfg file. This flaw allows an attacker to manipulate the pptp_server_start_ip and pptp_server_end_ip parameters, resulting in a buffer overflow. The exploit can be executed remotely, potentially compromising the security of the device. Public disclosures indicate that this vulnerability is known and may be targeted by attackers.

Affected Version(s)

AC7 15.03.06.44

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

CH13hh (VulDB User)
.