What is CVE-2026-4172?

CVE-2026-4172 is a high-severity vulnerability in Trendnet Tew-632brp, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2026-03-15.

How severe is CVE-2026-4172?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Trendnet Tew-632brp

CVE-2026-4172

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 buffe…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (18.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.

Affected products

Trendnet Tew-632brp — versions 1.010B32

Weakness classification (CWE)

References

VDB-351079 | TRENDnet TEW-632BRP HTTP POST Request ping_response.cgi stack-based overflow (vdb-entry, technical-description)
VDB-351079 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #769770 | TRENDnet TEW-632BRP v1.010B32 Denial of Service (third-party-advisory)
github.com/i-Corner/cve/issues/40 (exploit, issue-tracking)

Frequently asked questions

What is CVE-2026-4172?: CVE-2026-4172 is a high-severity vulnerability in Trendnet Tew-632brp, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2026-03-15.
How severe is CVE-2026-4172?: High severity. CVSS v3 base score is 7.2 out of 10.