Stack-based Buffer Overflow in Tenda M3 Router
CVE-2025-15252

8.7HIGH

Key Information:

Vendor

Tenda
Status
M3
Vendor
CVE Published:
30 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15252?

A critical flaw exists in the Tenda M3 Router version 1.0.0.13, specifically in the function formSetRemoteDhcpForAp located in the /goform/setDhcpAP file. This vulnerability can be exploited remotely, allowing attackers to manipulate parameters such as startip, endip, leasetime, gateway, dns1, and dns2, resulting in a stack-based buffer overflow. The potential for remote exploitation poses a significant risk to users, highlighting the necessity for immediate remediation and patching.

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Affected Version(s)

M3 1.0.0.13(4903)

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-2025-15252 - Proof of Concept

References

https://vuldb.com/?id.338642
vdb-entrytechnical-description
https://vuldb.com/?ctiid.338642
signaturepermissions-required
https://vuldb.com/?submit.725497
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

dwbruijn (VulDB User)
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