How severe is CVE-2018-18601?

CVE-2018-18601 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-18601 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18601?

CVE-2018-18601 affects Guardzilla Gz621w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18601?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-18601 published?

CVE-2018-18601 was published on 2018-12-31 and last updated on 2026-06-17.

CVE-2018-18601

CVE-2018-18601 is a high-severity vulnerability in Guardzilla Gz621w Firmware with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Guardzilla Gz621w Firmware
Published: 2018-12-31
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-18601?: CVE-2018-18601 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18601 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18601?: CVE-2018-18601 affects Guardzilla Gz621w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18601?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-18601 published?: CVE-2018-18601 was published on 2018-12-31 and last updated on 2026-06-17.

References

https://labs.bitdefender.com/2018/12/iot-report-major-flaws-in-guardzilla-cameras-allow-remote-hijack-of-the-security-device/

Affected products (1)

cpe:2.3:o:guardzilla:gz621w_firmware:0.5.1.4:*:*:*:*:*:*:*

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