Stack-Based Buffer Overflow in Tenda FH1202 by Tenda
CVE-2025-7528

8.7HIGH

Key Information:

Vendor

Tenda
Status
Fh1202
Vendor
CVE Published:
13 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7528?

A stack-based buffer overflow vulnerability has been identified in the Tenda FH1202 router, specifically in the function fromGstDhcpSetSer located in the file /goform/GstDhcpSetSer. This security flaw allows an attacker to manipulate the argument 'dips', potentially executing arbitrary code remotely. Such exploitation can lead to unauthorized access and complete control over the device, raising significant security concerns for users. The vulnerability has been publicly disclosed, emphasizing the need for immediate updates and vigilant security practices.

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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-2025-7528 - Proof of Concept

References

https://vuldb.com/?id.316224
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316224
signaturepermissions-required
https://vuldb.com/?submit.612948
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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