Buffer Overflow Vulnerability in Tenda F456 by Tenda
CVE-2026-7032

8.7HIGH

Key Information:

Vendor

Tenda
Status
F456
Vendor
CVE Published:
26 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7032?

A buffer overflow vulnerability exists in Tenda F456 version 1.0.0.5, specifically within the SafeEmailFilter function. This issue arises from improper handling of input in the /goform/SafeEmailFilter endpoint, allowing an attacker to manipulate arguments and execute a remote exploit. The potential for remote code execution poses significant risks to device security, making it essential for users to apply available patches and updates.

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-2026-7032 - Proof of Concept

References

https://vuldb.com/vuln/359612
vdb-entrytechnical-description
https://vuldb.com/vuln/359612/cti
signaturepermissions-required
https://vuldb.com/submit/798453
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

LtzHust2 (VulDB User)
.