Stack-based Buffer Overflow in Tenda AC7 Router's HTTPD Component
CVE-2025-8017

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac7
Vendor
CVE Published:
22 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8017?

A stack-based buffer overflow vulnerability exists in the Tenda AC7 router, specifically in the function formSetMacFilterCfg of the httpd component. This flaw arises from improper handling of the deviceList argument, which can be manipulated to execute a remote code execution attack. The vulnerability is publicly disclosed and poses a significant risk to users, as it allows attackers to compromise the device remotely. It is essential for affected users to update their firmware to protect against potential exploitation.

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.

CVE-2025-8017 - Proof of Concept

References

https://vuldb.com/?id.317220
vdb-entrytechnical-description
https://vuldb.com/?ctiid.317220
signaturepermissions-required
https://vuldb.com/?submit.619364
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

liuchangwei (VulDB User)
.
CVE-2025-8017 : Stack-based Buffer Overflow in Tenda AC7 Router's HTTPD Component