CVE-2021-44405
Reolink
- Published
- 28 January 2022
- Last modified
- 17 June 2026
- CVSS
- 7.7 v3.1
- Severity
- high
- EPSS
- 1.2% (66th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-20
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Description
A denial of service vulnerability exists 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. StartZoomFocus param is not object. An attacker can send an HTTP request to trigger this vulnerability.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 1.2% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| RLC-410W | Reolink | unknown | 3.0.0.136_20121102, <= 1.0.227 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1421 exploit
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1421 exploit
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.