How severe is CVE-2019-3424?

CVE-2019-3424 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2019-3424 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3424?

CVE-2019-3424 affects Ztehome C520v21 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3424?

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-2019-3424 published?

CVE-2019-3424 was published on 2019-11-18 and last updated on 2026-06-17.

CVE-2019-3424

CVE-2019-3424 is a high-severity vulnerability in Ztehome C520v21 Firmware with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 6.4
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ztehome C520v21 Firmware
Published: 2019-11-18
Last modified: 2026-06-17

Description

authentication issues vulnerability, which exists in V2.1.14 and below versions of C520V21 smart camera devices. An attacker can automatically obtain access to web services from the authorized browser of the same computer and perform operations.

Frequently asked questions

What is CVE-2019-3424?: authentication issues vulnerability, which exists in V2.1.14 and below versions of C520V21 smart camera devices. An attacker can automatically obtain access to web services from the authorized browser of the same computer and perform operations.
How severe is CVE-2019-3424?: CVE-2019-3424 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2019-3424 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3424?: CVE-2019-3424 affects Ztehome C520v21 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3424?: 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-2019-3424 published?: CVE-2019-3424 was published on 2019-11-18 and last updated on 2026-06-17.

References

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1011842

Affected products (1)

cpe:2.3:o:ztehome:c520v21_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Ztehome C520v21 Firmware

CVE-2019-3423 — Medium (CVSS 5.3): permission and access control vulnerability, which exists in V2.1.14 and below versions of C520V21 smart camera…

All CVEs affecting Ztehome C520v21 Firmware →