What’s Vulnerable › Vulnerabilities

CVE-2021-40423

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-28 · updated 2026-06-17
• Weakness: CWE-20

Description

A denial of service vulnerability exists in the cgiserver.cgi API command parser functionality of Reolink RLC-410W v3.0.0.136_20121102. A specially-crafted series of HTTP requests can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.

Affected products

• Reolink RLC-410W: 3.0.0.136_20121102

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1432
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1432
• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1432

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