What is CVE-2018-18601?

CVE-2018-18601 is a high-severity vulnerability in Guardzilla Gz621w, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2018-12-31.

How severe is CVE-2018-18601?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Guardzilla Gz621w

CVE-2018-18601

The TK_set_deviceModel_req_handle function in the cloud communication component in Guardzilla GZ621W devices with firmware 0.5.1.4 has a Buffer Overflow.

Vulnerability class: Buffer Overflow

Published 2018-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (65.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Guardzilla Gz621w
Guardzilla Gz621w Firmware — versions 0.5.1.4

Weakness classification (CWE)

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

References

labs.bitdefender.com/2018/12/iot-report-major-flaws-in-guardzilla-cameras-allow… (Third Party Advisory)

Frequently asked questions

What is CVE-2018-18601?: CVE-2018-18601 is a high-severity vulnerability in Guardzilla Gz621w, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2018-12-31.
How severe is CVE-2018-18601?: High severity. CVSS v3 base score is 8.1 out of 10.