Buffer Overflow Flaw in Tenda F456 by Tenda
CVE-2026-7053

8.7HIGH

Key Information:

Vendor

Tenda
Status
F456
Vendor
CVE Published:
26 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7053?

A critical security flaw exists in the Tenda F456 router, specifically in the function frmL7ProtForm of the httpd component located at /goform/L7Prot. This vulnerability allows remote attackers to exploit a buffer overflow by manipulating the 'page' argument. Such exploitation can lead to unauthorized access and control over affected systems. Publicly released exploits may facilitate these attacks, emphasizing the urgency for users to apply necessary security patches promptly.

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-2026-7053 - Proof of Concept

References

https://vuldb.com/vuln/359626
vdb-entrytechnical-description
https://vuldb.com/vuln/359626/cti
signaturepermissions-required
https://vuldb.com/submit/798455
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

LtzHuster2 (VulDB User)
.