Buffer Overflow Vulnerability in Tenda AC5 Router
CVE-2025-5795

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac5
Vendor
CVE Published:
6 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5795?

A buffer overflow vulnerability exists in the Tenda AC5 router within the fromadvsetlanip function found in /goform/AdvSetLanip. This vulnerability arises due to improper handling of the lanMask parameter, which an attacker can manipulate to cause a buffer overflow. This flaw can be exploited remotely, potentially allowing unauthorized attacks on the device. Given that the exploit has been publicly disclosed, users of affected versions should take immediate action to secure their networks.

Affected Version(s)

AC5 1.0

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-2025-5795 - Proof of Concept

References

https://vuldb.com/?id.311349
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311349
signaturepermissions-required
https://vuldb.com/?submit.591224
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_backup (VulDB User)
.
The Cyber Security Vulnerability Database.