Null Pointer Dereference in Tenda W12 Router's HTTP Request Handler
CVE-2025-11550

7.1HIGH

Key Information:

Vendor

Tenda
Status
W12
Vendor
CVE Published:
9 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11550?

A null pointer dereference vulnerability exists in the Tenda W12 router, specifically within the 'wifiScheduledSet' function of the HTTP Request Handler component. This flaw allows an attacker to manipulate the 'wifiScheduledSet' argument, potentially leading to disruption of service. The vulnerability can be exploited remotely, making it crucial for users to apply necessary updates or mitigations promptly. Public disclosure of the exploit raises further concerns about its potential use in the wild.

Affected Version(s)

W12 3.0.0.6(3948)

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-2025-11550 - Proof of Concept

References

https://vuldb.com/?id.327709
vdb-entrytechnical-description
https://vuldb.com/?ctiid.327709
signaturepermissions-required
https://vuldb.com/?submit.670118
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
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

z472421519 (VulDB User)
JSON
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CVE-2025-11550 : Null Pointer Dereference in Tenda W12 Router's HTTP Request Handler