CVE-2019-3421

8.0 highEPSS 1.1%

High (8.0) in ztw zx297520v3 firmware. EPSS 1.1% chance of exploitation in the next 30 days.

The 7520V3V1.0.0B09P27 version, and all earlier versions of ZTE product ZX297520V3 are impacted by a Command Injection vulnerability. Unauthorized users can exploit this vulnerability to control the user terminal system.

Severity

CVSS 3.1

8.0 high

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2019-10-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ztw:zx297520v3_firmware

References

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1011643
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1011643

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