Buffer Overflow Vulnerability in Tenda F456
CVE-2026-7078

8.7HIGH

Key Information:

Vendor

Tenda
Status
F456
Vendor
CVE Published:
27 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7078?

A security flaw has been identified in the Tenda F456 router, specifically in the function fromSetIpBind located in the /goform/SetIpBind component of the httpd service. This vulnerability stems from improper handling of the argument page, leading to a buffer overflow condition. Attackers can exploit this vulnerability remotely, potentially allowing unauthorized access or service disruption. The public release of the exploit increases the urgency for users to apply security measures to their Tenda F456 devices.

Affected Version(s)

F456 1.0.0.5

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-2026-7078 - Proof of Concept

References

https://vuldb.com/vuln/359653
vdb-entrytechnical-description
https://vuldb.com/vuln/359653/cti
signaturepermissions-required
https://vuldb.com/submit/798460
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

LtzHust (VulDB User)
.