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Review reviewHigh

CVE-2026-15481

Trendnet TEW-635BRM

A security flaw has been discovered in Trendnet TEW-635BRM up to 1.00.03. This vulnerability affects the function ipoa_test of the file /sbin/rc of the component IPoA WAN Connection Setup. Performing a manipulation of the argument ipoa_ipaddr results in command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor explains: "We are unable to confirm if the vulnerability exists. This item has been EOL since 2011. We will make an official announcement of possible vulnerabilities, and recommend users to...

CVSS
7.4
EPSS
1.56%
72.8% percentile
CISA KEV
Not listed
Published
2026.07.12
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.56%
Technical severityCVSS 7.4

Vulnerability overview

A security flaw has been discovered in Trendnet TEW-635BRM up to 1.00.03. This vulnerability affects the function ipoa_test of the file /sbin/rc of the component IPoA WAN Connection Setup. Performing a manipulation of the argument ipoa_ipaddr results in command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor explains: "We are unable to confirm if the vulnerability exists. This item has been EOL since 2011. We will make an official announcement of possible vulnerabilities, and recommend users to...

Affected product and versions

Product
Trendnet TEW-635BRM
Affected versions
>= 1.00.03
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Trendnet TEW-635BRM and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-74, CWE-77
CVE-2026-15481 — Trendnet TEW-635BRM | SECUFOCUS NOW