CVE-2021-40407
Reolink RLC-410W IP Camera OS Command Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 8 January 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->domain variable, that has the value of the domain parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection. An attacker can send an HTTP request to trigger this vulnerability.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 47.63% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 18 December 2024 · due 8 January 2025
- Weakness
- CWE-78
- Affected
- reolink/rlc-410w firmware
- Source
- talos-cna@cisco.com
EPSS 47.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
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. https://reolink.com/product-eol/ ; https://reolink.com/download-center/ ; https://nvd.nist.gov/vuln/detail/CVE-2021-40407
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40407US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.