Stack-Based Buffer Overflow in Tenda FH451 Router Firmware
CVE-2025-7794

8.7HIGH

Key Information:

Vendor

Tenda
Status
Fh451
Vendor
CVE Published:
18 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7794?

A vulnerability exists in the Tenda FH451 router firmware version 1.0.0.9 that allows remote attackers to exploit the function fromNatStaticSetting. This vulnerability is rooted in the manipulation of arguments within the /goform/NatStaticSetting file, which may result in a stack-based buffer overflow. Attackers can use this exploit to compromise the router, potentially gaining unauthorized access to the device and associated network resources.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

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-2025-7794 - Proof of Concept

References

https://vuldb.com/?id.316855
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316855
signaturepermissions-required
https://vuldb.com/?submit.616318
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)
JSON
.