CVE-2021-40406

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-01-28 · updated 2026-06-17
Weakness: CWE-400

Description

A denial of service vulnerability exists in the cgiserver.cgi session creation functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to prevent users from logging in. 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-2021-1423
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1423

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