Stack-Based Buffer Overflow in Tenda AC15 Router by Tenda
CVE-2025-11388

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac15
Vendor
CVE Published:
7 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11388?

A stack-based buffer overflow vulnerability has been identified in the Tenda AC15 router, specifically related to the /goform/setNotUpgrade function. This flaw occurs when improper handling of the 'newVersion' argument allows attackers to manipulate the memory stack. An attacker can exploit this vulnerability remotely, which poses significant risks to network security. With the exploit publicly available, it is crucial for users to take proactive measures to secure their devices and mitigate potential attacks.

Affected Version(s)

AC15 15.03.05.18

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-2025-11388 - Proof of Concept

References

https://vuldb.com/?id.327315
vdb-entrytechnical-description
https://vuldb.com/?ctiid.327315
signaturepermissions-required
https://vuldb.com/?submit.664974
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_miemie (VulDB User)
JSON
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CVE-2025-11388 : Stack-Based Buffer Overflow in Tenda AC15 Router by Tenda