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.

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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)
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