Stack-Based Buffer Overflow in Tenda FH1202 Router
CVE-2025-7529

8.7HIGH

Key Information:

Vendor

Tenda
Status
Fh1202
Vendor
CVE Published:
13 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7529?

A stack-based buffer overflow vulnerability exists in the Tenda FH1202 router, specifically in the function fromNatlimit located in the /goform/Natlimit file. An attacker can exploit this vulnerability by manipulating the 'page' argument, allowing for remote code execution. Since the exploit has been publicly disclosed, it poses a significant risk to users of affected versions, making it crucial for organizations to apply necessary security patches to safeguard their networks.

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Affected Version(s)

FH1202 1.2.0.14(408)

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-2025-7529 - Proof of Concept

References

https://vuldb.com/?id.316225
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316225
signaturepermissions-required
https://vuldb.com/?submit.612955
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

panda_0x1 (VulDB User)
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