How severe is CVE-2019-15914?

CVE-2019-15914 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-15914 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15914?

CVE-2019-15914 primarily affects Mi Dgnwg03lm Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-15914?

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-2019-15914 published?

CVE-2019-15914 was published on 2019-12-20 and last updated on 2026-06-17.

CVE-2019-15914

CVE-2019-15914 is a high-severity vulnerability in Mi Dgnwg03lm Firmware with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mi Dgnwg03lm Firmware
Published: 2019-12-20
Last modified: 2026-06-17

Description

An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Attackers can use the ZigBee trust center rejoin procedure to perform mutiple denial of service attacks.

Frequently asked questions

What is CVE-2019-15914?: An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Attackers can use the ZigBee trust center rejoin procedure to perform mutiple denial of service attacks.
How severe is CVE-2019-15914?: CVE-2019-15914 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-15914 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15914?: CVE-2019-15914 primarily affects Mi Dgnwg03lm Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-15914?: 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-2019-15914 published?: CVE-2019-15914 was published on 2019-12-20 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:mi:dgnwg03lm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:zncz03lm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:mccgq01lm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:wsdcgq01lm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:rtcgq01lm_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Mi Dgnwg03lm Firmware

CVE-2019-15913 — Critical (CVSS 9.8): An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Because of insecure…
CVE-2019-15915 — High (CVSS 7.5): An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, RTCGQ01LM devices. Attackers can utilize the…

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