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HIGH

CVE-2021-44366

CVSS v3

7.5

HIGH

EPSS Score

1.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a reboot. An attacker can send an HTTP request to trigger this vulnerability.

Technical details

Published
2022-04-14

Frequently asked questions

What is CVE-2021-44366?

Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a reboot. An attacker can send an HTTP request to trigger this vulnerability.

Is CVE-2021-44366 actively exploited?

Active exploitation of CVE-2021-44366 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-44366?

CVE-2021-44366 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-44366 affecting your environment?

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