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 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.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (49.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.006 · change: -0.002
Affected products
- Trendnet Tew-632brp — versions 1.010B32
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/i-Corner/cve/issues/40 (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-4172?
- CVE-2026-4172 is a high-severity vulnerability in Trendnet Tew-632brp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2026-03-16.
- How severe is CVE-2026-4172?
- High severity. CVSS v3 base score is 7.2 out of 10.