CVE-2021-40419
CVSS v3
7.5
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A firmware update vulnerability exists in the 'factory' binary of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted series of network requests can lead to arbitrary firmware update. An attacker can send a sequence of requests to trigger this vulnerability.
Technical details
- Published
- 2022-01-28
Frequently asked questions
What is CVE-2021-40419?
A firmware update vulnerability exists in the 'factory' binary of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted series of network requests can lead to arbitrary firmware update. An attacker can send a sequence of requests to trigger this vulnerability.
Is CVE-2021-40419 actively exploited?
Active exploitation of CVE-2021-40419 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-40419?
CVE-2021-40419 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-40419 affecting your environment?
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