Stack-Based Buffer Overflow in Tenda AC18 Due to Flawed HTTP Request Handling
CVE-2025-14992

8.7HIGH

Key Information:

Vendor

Tenda
Status
Ac18
Vendor
CVE Published:
21 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-14992?

A security vulnerability has been identified in the Tenda AC18 with firmware version 15.03.05.05, specifically affecting the strcpy function in the /goform/GetParentControlInfo of the HTTP Request Handler. This vulnerability can lead to a stack-based buffer overflow when the 'mac' argument is manipulated. Due to the nature of this vulnerability, it could be exploited remotely, allowing attackers to potentially gain unauthorized access or execute arbitrary code. The exploit details have been made public, increasing the urgency for affected users to secure their devices.

Affected Version(s)

AC18 15.03.05.05

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-2025-14992 - Proof of Concept

CVE-2025-14992 - Proof of Concept

References

https://vuldb.com/?id.337686
vdb-entrytechnical-description
https://vuldb.com/?ctiid.337686
signaturepermissions-required
https://vuldb.com/?submit.719073
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

z472421519 (VulDB User)
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