Buffer Overflow Vulnerability in TRENDnet TEW-432BRP Router
CVE-2026-10122

8.7HIGH

Key Information:

Vendor

Trendnet

Status
Tew-432brp
Vendor
CVE Published:
30 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10122?

A stack-based buffer overflow vulnerability exists in the TRENDnet TEW-432BRP router within the formSetProtocolFilter function. Exploiting this vulnerability, an attacker can manipulate the protocol_name argument to potentially execute arbitrary code from a remote location. It is important to note that this product has reached its end-of-life status and has not been supported by the vendor for over 15 years, resulting in no patches or mitigations being available.

Affected Version(s)

TEW-432BRP 3.10B20

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-2026-10122 - Proof of Concept

References

https://vuldb.com/vuln/367299
vdb-entrytechnical-description
https://vuldb.com/vuln/367299/cti
signaturepermissions-required
https://vuldb.com/submit/814766
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

pjqwudi_Buoy (VulDB User)
VulDB CNA Team
.