Buffer Overflow Vulnerability in Tenda F453 Router
CVE-2026-3168

8.7HIGH

Key Information:

Vendor

Tenda
Status
F453
Vendor
CVE Published:
25 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3168?

A vulnerability has been identified in the Tenda F453 router, specifically in version 1.0.0.3, within the fromNatStaticSetting function of the httpd component. By manipulating the 'page' argument in the /goform/NatStaticSetting file, an attacker can exploit this weakness, leading to a buffer overflow condition. This vulnerability can be exploited remotely, posing significant security risks, as public exploits have been made available. Users are encouraged to review and apply necessary patches to mitigate potential risks.

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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-2026-3168 - Proof of Concept

References

https://vuldb.com/?id.347675
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347675
signaturepermissions-required
https://vuldb.com/?submit.759595
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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