How severe is CVE-2019-3419?

CVE-2019-3419 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-3419 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3419?

CVE-2019-3419 affects Zte Zxmp M721 Dx Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3419?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-3419 published?

CVE-2019-3419 was published on 2019-10-31 and last updated on 2026-06-17.

CVE-2019-3419

CVE-2019-3419 is a medium-severity vulnerability in Zte Zxmp M721 Dx Firmware with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
CVSS v2: 2.7
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zte Zxmp M721 Dx Firmware
Published: 2019-10-31
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-3419?: CVE-2019-3419 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-3419 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3419?: CVE-2019-3419 affects Zte Zxmp M721 Dx Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3419?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3419 published?: CVE-2019-3419 was published on 2019-10-31 and last updated on 2026-06-17.

References

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1011542

Affected products (1)

cpe:2.3:o:zte:zxmp_m721_dx_firmware:zxmp_m721v3.10p01b10_m2ncp:*:*:*:*:*:*:*