What’s Vulnerable › Vulnerabilities

CVE-2021-40408

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-28 · updated 2026-06-17
• Weakness: CWE-78

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->username variable, that has the value of the userName parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.

Affected products

• Reolink RLC-410W: 3.0.0.136_20121102

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424

Get alerted when CVE-2021-40408 or the next vulnerability affects your stack