Stack-Based Buffer Overflow in Tenda FH451 Router
CVE-2025-7792

8.7HIGH

Key Information:

Vendor

Tenda
Status
Fh451
Vendor
CVE Published:
18 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7792?

A significant vulnerability has been identified in the Tenda FH451 router, specifically in the SafeEmailFilter function of the /goform/SafeEmailFilter file. This vulnerability allows for stack-based buffer overflow that can be exploited by manipulating the argument 'page'. The attack can be executed remotely, posing serious risks to network security. Exploit details have been publicly disclosed, making it crucial for users to take immediate action to secure their devices against potential threats.

Affected Version(s)

FH451 1.0.0.9

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-2025-7792 - Proof of Concept

References

https://vuldb.com/?id.316853
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316853
signaturepermissions-required
https://vuldb.com/?submit.616316
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)
.
CVE-2025-7792 : Stack-Based Buffer Overflow in Tenda FH451 Router