CVE-2022-21217

Name: CVE-2022-21217
Creator: NVD / NIST
Published: 2022-01-28T20:15:12.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.40%

Last modified Jun 17, 2026

CVE-2022-21217 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An out-of-bounds write vulnerability exists in the device TestEmail functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted network request can lead to an out-of-bounds write. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

An out-of-bounds write vulnerability exists in the device TestEmail functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted network request can lead to an out-of-bounds write. An attacker can send an HTTP request to trigger this vulnerability.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.40%

69.0th 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-2021-1445Broken Link, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1445Broken Link, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2022-21217?

How severe is CVE-2022-21217?

CVE-2022-21217 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21217?

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-2022-21217?

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

Scan your code now

Source: NVD / NIST