What is CVE-2012-4750?

CVE-2012-4750 is a critical-severity vulnerability in Ezhometech Ezserver, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2020-01-13.

How severe is CVE-2012-4750?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Ezhometech Ezserver

CVE-2012-4750

A Code Execution vulnerability exists in the memcpy function when processing AMF requests in Ezhometech EzServer 7.0, which could let a remote malicious user execute arbitrary code or cause a Denial of Service

Vulnerability class: Buffer Overflow

Published 2020-01-13 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.089 (95.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.089 · newest: 0.089 · change: 0.000

Affected products

Ezhometech Ezserver — versions 7.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

exchange.xforce.ibmcloud.com/vulnerabilities/79267 (VDB Entry, Third Party Advisory)
www.securityfocus.com/archive/1/524430 (Exploit, VDB Entry, Third Party Advisory)
packetstormsecurity.com/files/117391/Ezhometech-EzServer-7.0-Remote-Heap-Corrup… (VDB Entry, Third Party Advisory)
www.securityfocus.com/bid/55938 (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2012-4750?: CVE-2012-4750 is a critical-severity vulnerability in Ezhometech Ezserver, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2020-01-13.
How severe is CVE-2012-4750?: Critical severity. CVSS v3 base score is 9.8 out of 10.