Stack-Based Buffer Overflow in Tenda F453 Router
CVE-2026-4552

8.7HIGH

Key Information:

Vendor

Tenda
Status
F453
Vendor
CVE Published:
22 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4552?

A stack-based buffer overflow vulnerability exists in the Tenda F453 router version 1.0.0.3, specifically within the fromVirtualSer function in the Parameters Handler. By manipulating the 'page' argument of the /goform/VirtualSer file, an attacker can exploit this vulnerability remotely, potentially allowing unauthorized access or manipulation of sensitive information. This exploit was made public and poses a significant risk, urging immediate attention from users of the affected device.

Affected Version(s)

F453 1.0.0.3

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-2026-4552 - Proof of Concept

References

https://vuldb.com/?id.352379
vdb-entrytechnical-description
https://vuldb.com/?ctiid.352379
signaturepermissions-required
https://vuldb.com/?submit.774930
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)
.