CVE-2026-15481: A security flaw has been discovered in Trendnet TEW-635BRM up to 1.00.03

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HIGH 8.8

CVE-2026-15481 is a high-severity flaw (CVSS 8.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
CISA SSVC: public proof of concept

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-74, CWE-77
Published	2026-07-12
Last modified	2026-10-25

Publisher (CNA): VulDB

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-07-12 06:16 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

Exact fixes by distribution

Fedora ELN · nginx-mod-headers-more · FIXED · 0.41-1.eln159 · FEDORA-2026-31f55f396a · source

sudo dnf upgrade --advisory=FEDORA-2026-31f55f396a

Fedora 46 · erlang-hex_core · FIXED · 0.21.1-1.fc46 · FEDORA-2026-f3389199ff · source

sudo dnf upgrade --advisory=FEDORA-2026-f3389199ff

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/glkfc/IoT-Vulnerability/blob/main/TRENDnet/TRENDnet_TEW635BRM_ipoa_cmdinj_EN.md

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-15481?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-15481 being exploited?

CVE-2026-15481 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-15481 affect?

CVE-2026-15481 affects affected software. Severity is high (CVSS 8.8). 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_ipad

How urgent is CVE-2026-15481?

Priority 55/100. High severity; CISA SSVC: public proof of concept

References

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