CVE-2022-21801

Name: CVE-2022-21801
Creator: NVD / NIST
Published: 2022-01-28T20:15:12.507+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2022-21801 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A denial of service vulnerability exists in the netserver recv_command functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted network request can lead to a reboot. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

A denial of service vulnerability exists in the netserver recv_command functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted network request can lead to a reboot. An attacker can send a malicious packet to trigger this vulnerability.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.09%

61.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Reolink	Rlc-410w Firmware	3.0.0.136_20121102

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1450Broken Link, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1450Broken Link, Third Party Advisory

Timeline

Published: Jan 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21801?

How severe is CVE-2022-21801?

CVE-2022-21801 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21801?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21801?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST