CVE-2021-40419
Reolink
- Published
- 28 January 2022
- Last modified
- 17 June 2026
- CVSS
- 7.5 v3.1
- Severity
- high
- EPSS
- 1.2% (67th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-489
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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.
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-2021-1428 exploit
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1428 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.