Stack-Based Buffer Overflow in Tenda FH1201 Router
CVE-2025-7550

8.7HIGH

Key Information:

Vendor

Tenda

Status
Vendor
CVE Published:
13 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7550?

A significant vulnerability has been identified in the Tenda FH1201 router, specifically in the function fromGstDhcpSetSer located in the /goform/GstDhcpSetSer file. This flaw is characterized by a stack-based buffer overflow resulting from improper manipulation of the argument 'dips', enabling remote exploitation. Attackers can potentially leverage this vulnerability to execute arbitrary code on the affected system, posing a severe security risk. Given that this exploit has been publicly disclosed, it is crucial for users to implement immediate mitigation strategies to safeguard their devices.

Affected Version(s)

FH1201 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.

References

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

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