Stack-Based Buffer Overflow in Tenda F451 by Tenda
CVE-2026-6120

8.7HIGH

Key Information:

Vendor

Tenda
Status
F451
Vendor
CVE Published:
12 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6120?

A stack-based buffer overflow vulnerability exists in the Tenda F451 product, specifically within the fromDhcpListClient function of the /goform/DhcpListClient component. This issue arises due to improper handling of the 'page' argument, allowing remote exploitation. The vulnerability could enable attackers to execute arbitrary code or cause denial of service. Users are advised to implement necessary security measures, as the exploit details have been publicly disclosed.

Affected Version(s)

F451 1.0.0.7

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-2026-6120 - Proof of Concept

References

https://vuldb.com/vuln/356983
vdb-entrytechnical-description
https://vuldb.com/vuln/356983/cti
signaturepermissions-required
https://vuldb.com/submit/792864
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

Jimi (VulDB User)
.