Stack-Based Buffer Overflow in Tenda AC7 Router
CVE-2025-11528

8.7HIGH

Key Information:

Vendor

Tenda

Status
Vendor
CVE Published:
9 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11528?

A stack-based buffer overflow vulnerability exists in the Tenda AC7 router, specifically affecting the saveAutoQos function. Manipulating the 'enable' argument may allow an attacker to exploit this flaw remotely. With publicly available exploit code, this vulnerability poses significant risk to users, emphasizing the need for immediate attention and remediation.

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

yhryhryhr_tu (VulDB User)
.
CVE-2025-11528 : Stack-Based Buffer Overflow in Tenda AC7 Router