# Reolink RLC-410W IP Camera OS Command Injection · pwn.watch

> Reolink RLC-410W IP cameras contain an authenticated OS command injection vulnerability in the device network settings functionality. Added to the CISA KEV catalog on 2024-12-18. CVE-2021-40407 was assigned before 2024; the KEV listing came in 2024.

Page: https://pwn.watch/i/reolink-rlc-410w-ip-camera-cve-2021-40407 · generated 2026-10-22T22:00:08.805Z

## Status
- Severity: critical · status: closed · patch: partial
- Product: Reolink RLC-410W IP Camera
- Started: 2024-12-18 · closed: 2024-12-18
- CVEs: CVE-2021-40407
- Affected: See vendor advisory (versions are not listed in the KEV record)
- Fixed in: See vendor advisory; CISA notes some models may be end-of-life

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/reolink-rlc-410w-ip-camera-cve-2021-40407/feed.xml
- JSON Feed: https://pwn.watch/i/reolink-rlc-410w-ip-camera-cve-2021-40407/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/reolink-rlc-410w-ip-camera-cve-2021-40407.json
- This file: https://pwn.watch/i/reolink-rlc-410w-ip-camera-cve-2021-40407/llms.txt

## Updates (newest first)
- 2024-12-18: CISA added CVE-2021-40407 to the KEV catalog (federal deadline 2025-01-08) (https://www.cisa.gov/known-exploited-vulnerabilities-catalog)

## Fix brief
# Security brief: Reolink RLC-410W IP Camera OS Command Injection

Source: https://pwn.watch/i/reolink-rlc-410w-ip-camera-cve-2021-40407 · status: closed (closed Dec 18, 2024) · severity: critical · updated Dec 18, 2024

## Patch status
**PARTIALLY PATCHED: some fixes exist, but not every affected branch/product is covered. Check carefully and apply mitigations where no fix exists.**

## What it is
Reolink RLC-410W IP cameras contain an authenticated OS command injection vulnerability in the device network settings functionality. Added to the CISA KEV catalog on 2024-12-18. CVE-2021-40407 was assigned before 2024; the KEV listing came in 2024.

Severity detail: CVSS 9.1 (v3.0, CNA), actively exploited (CISA KEV)

- Product: Reolink RLC-410W IP Camera
- CVE / advisory ids: CVE-2021-40407

## Affected versions
- See vendor advisory (versions are not listed in the KEV record)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory; CISA notes some models may be end-of-life

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Mitigations
The data marks this as partial. Until every affected component is fixed, apply the vendor mitigations from the advisories below (restrict network exposure of the affected service, disable the vulnerable feature if the advisory allows).

## Latest updates
- Dec 18, 2024: CISA added CVE-2021-40407 to the KEV catalog (federal deadline 2025-01-08)

## Advisories
- [Reolink advisory: CVE-2021-40407](https://reolink.com/product-eol/) (Reolink)
- [Reolink advisory: CVE-2021-40407](https://reolink.com/download-center/) (Reolink)
- [NVD: CVE-2021-40407](https://nvd.nist.gov/vuln/detail/CVE-2021-40407) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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Machine-readable: https://pwn.watch/i/reolink-rlc-410w-ip-camera-cve-2021-40407.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.