CVE-2026-4172 HIGH

CVE-2026-4172: TRENDnet TEW-632BRP HTTP POST Request ping_response.cgi stack-based overflow

Vendor Trendnet
Product TEW-632BRP
Weakness CWE-121
Published March 15, 2026
Last update March 16, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in TRENDnet TEW-632BRP 1.010B32. This affects an unknown part of the file /ping_response.cgi of the component HTTP POST Request Handler. The manipulation of the argument ping_ipaddr results in stack-based buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

March 15, 2026 CVE published
March 16, 2026 Record updated