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.

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