What is CVE-2025-23236?

CVE-2025-23236 is a high-severity vulnerability in Hummingheads Defense Platform, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-02-06.

How severe is CVE-2025-23236?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Hummingheads Defense Platform

CVE-2025-23236

Buffer overflow vulnerability exists in Defense Platform Home Edition Ver.3.9.51.x and earlier. If an attacker performs a specific operation, SYSTEM privilege of the Windows system where the product is running may be obtained.

Vulnerability class: Buffer Overflow

Published 2025-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Hummingheads Defense Platform
Humming Heads Inc. Defense Platform Home Edition — versions Ver.3.9.51.x and earlier

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.hummingheads.co.jp/dep/storelist/ (Product)
jvn.jp/en/jp/JVN66673020/ (Third Party Advisory)

Frequently asked questions

What is CVE-2025-23236?: CVE-2025-23236 is a high-severity vulnerability in Hummingheads Defense Platform, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-02-06.
How severe is CVE-2025-23236?: High severity. CVSS v3 base score is 8.8 out of 10.