CVE-2026-5349

HIGH

Trendnet TEW-657BRM setup.cgi add_apcdb stack-based overflow

Title source: cna

Description

A vulnerability was identified in Trendnet TEW-657BRM 1.00.1. The affected element is the function add_apcdb of the file /setup.cgi. The manipulation of the argument mac_pc_dba leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor confirms, that "[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us." This vulnerability only affects products that are no longer supported by the maintainer.

Scores

CVSS v3 8.8
EPSS 0.0009
EPSS Percentile 25.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (2)
Trendnet/TEW-657BRM 1.00.1
trendnet/tew-657brm_firmware 1.00.1
Published Apr 02, 2026
Tracked Since Apr 02, 2026