Command Injection Vulnerability in Trendnet TEW-635BRM Router
CVE-2026-15481

8.7HIGH

Key Information:

Vendor

Trendnet

Status
Tew-635brm
Vendor
CVE Published:
12 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15481?

A command injection vulnerability exists in the Trendnet TEW-635BRM router with firmware versions up to 1.00.03. This flaw affects the ipoa_test function within the /sbin/rc file for the IPoA WAN Connection Setup component. An attacker can exploit this vulnerability remotely by manipulating the ipoa_ipaddr argument. Since the product has reached end-of-life, the vendor has stated it cannot verify the existence of the vulnerability, suggesting users transition to newer devices for continued security.

Affected Version(s)

TEW-635BRM 1.00.03

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-2026-15481 - Proof of Concept

References

https://vuldb.com/vuln/377788
vdb-entrytechnical-description
https://vuldb.com/vuln/377788/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15481
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

jfkk (VulDB User)
VulDB CNA Team
.