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Description

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 switch devices." This vulnerability only affects products that are no longer supported by the maintainer.

PUBLISHED Reserved 2026-07-11 | Published 2026-07-12 | Updated 2026-07-13 | Assigner VulDB




HIGH: 8.7CVSS: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
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

1.00.03
affected

Timeline

2026-07-11:Advisory disclosed
2026-07-11:VulDB entry created
2026-07-11:VulDB entry last update

Credits

jfkk (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/377788 (VDB-377788 | Trendnet TEW-635BRM IPoA WAN Connection Setup rc ipoa_test command injection) vdb-entry technical-description

vuldb.com/vuln/377788/cti (VDB-377788 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15481 (CVE-2026-15481 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/838237 (Submit #838237 | TRENDnet TEW-635BRM V1.00.03 Command Injection) third-party-advisory

github.com/.../TRENDnet/TRENDnet_TEW635BRM_ipoa_cmdinj_EN.md exploit

cve.org (CVE-2026-15481)

nvd.nist.gov (CVE-2026-15481)

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