CVE-2021-40407
Published: December 18, 2024
Official Description
Reolink RLC-410W IP cameras contain an authenticated OS command injection vulnerability in the device network settings functionality.
CISA KEV Advisory
Reolink RLC-410W IP Camera OS Command Injection Vulnerability
Reolink RLC-410W IP cameras contain an authenticated OS command injection vulnerability in the device network settings functionality.
The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization if a current mitigation is unavailable.
Risk Analysis
This CVE details an authenticated OS command injection vulnerability in Reolink RLC-410W IP cameras, specifically within the device network settings functionality. An authenticated user can exploit this to execute OS commands. The high EPSS score of 0.32575 and its inclusion in CISA's KEV catalog indicate a significant and confirmed exploitation risk.
This vulnerability is being actively exploited in the wild and is listed in CISA's KEV catalog, confirming its active use by threat actors. While requiring authentication, the ability to inject OS commands makes it a serious threat.
Administrators should apply available firmware updates for Reolink RLC-410W IP cameras. Ensure strong, unique passwords are used for all device accounts and restrict network access to the camera's management interface.
Technical Analysis
CVE-2021-40407 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2021-40407 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (3)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-40407 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1