Buffer Overflow Vulnerability in Tenda F456 by Tenda
CVE-2026-7097

8.7HIGH

Key Information:

Vendor

Tenda
Status
F456
Vendor
CVE Published:
27 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7097?

A vulnerability in the Tenda F456 version 1.0.0.5 has been identified, which affects the httpd component, specifically within the function fromwebExcptypemanFilter. This vulnerability is caused by inadequate validation of input parameters, enabling attackers to exploit the argument 'page' to perform a buffer overflow. The impact allows for potential remote code execution, which can lead to unauthorized access or control over the affected device. Publicly available exploit techniques heighten the urgency for affected users to apply necessary security measures.

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-2026-7097 - Proof of Concept

References

https://vuldb.com/vuln/359672
vdb-entrytechnical-description
https://vuldb.com/vuln/359672/cti
signaturepermissions-required
https://vuldb.com/submit/798470
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)
.