Buffer Overflow Vulnerability in Tenda F453 Router
CVE-2026-3379

8.7HIGH

Key Information:

Vendor

Tenda
Status
F453
Vendor
CVE Published:
1 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3379?

A buffer overflow vulnerability exists in the Tenda F453 router's SetIpBind function, found in the /goform/SetIpBind file. This vulnerability arises from improper handling of arguments, allowing attackers to manipulate input and trigger a buffer overflow remotely. Given its public disclosure, this flaw poses an increased risk that may be exploited to compromise the device's functionality and security.

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-2026-3379 - Proof of Concept

References

https://vuldb.com/?id.348264
vdb-entrytechnical-description
https://vuldb.com/?ctiid.348264
signaturepermissions-required
https://vuldb.com/?submit.759626
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

LtzHust2 (VulDB User)
.