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CVE-2026-129352

9.1, critical

TRENDnet TEW-657BRM Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
9.1, critical critical CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
14 Nov 2026yesterday

Description

A vulnerability was detected in TRENDnet TEW-657BRM 1.00.1. This issue affects some unknown processing of the file /usr/sbin/upgrade_flash.cgi. Performing a manipulation of the argument boundary results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor explains: ""I am not able to confirm if such vulnerability exists as the product has been EOL for more than 15 years. We will send out an announcement letting customers know."

Details

Vendor
TRENDnet
Product
TEW-657BRM
Weakness
CWE-119 (opens in a new tab)
Status
Deferred
Updated
14 Nov 2026
Assigner
cna@vuldb.com

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References 5

Advisories 1

Other references 4

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other TRENDnet CVEs

Every TRENDnet CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-129351 TRENDnet TEW-657BRM Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability 10, critical
  • CVE-2026-109157 TRENDnet TEW-432BRP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability EPSS 0.6% 9.9, critical
  • CVE-2026-108804 TRENDnet TEW-751DR Command Injection Vulnerability EPSS 2% 10, critical

Beyond this page

Is CVE-2026-129352 in your network?

This page tells you how dangerous CVE-2026-129352 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 15 Nov 2026, not the live upstream state.