What is CVE-2019-3419?

CVE-2019-3419 is a medium-severity vulnerability in ZTE Zxmp M721 Dx. CVSS score: 5.7/10. Published 2019-10-31.

How severe is CVE-2019-3419?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in ZTE Zxmp M721 Dx

CVE-2019-3419

A security vulnerability exists in a management port in the version of ZTE's ZXMP M721V3.10P01B10_M2NCP. An attacker could exploit this vulnerability to build a link to the device and send specific packets to cause a denial of service.

Published 2019-10-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

ZTE Zxmp M721 Dx
ZTE Zxmp M721 Dx Firmware — versions zxmp_m721v3.10p01b10_m2ncp
ZTE Corporation Zxmp M721 Dx — versions ZXMP M721V3.10P01B10_M2NCP

References

support.zte.com.cn/support/news/LoopholeInfoDetail.aspx (Vendor Advisory)

Frequently asked questions

What is CVE-2019-3419?: CVE-2019-3419 is a medium-severity vulnerability in ZTE Zxmp M721 Dx. CVSS score: 5.7/10. Published 2019-10-31.
How severe is CVE-2019-3419?: Medium severity. CVSS v3 base score is 5.7 out of 10.