CVE-2021-40413

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-01-28 · updated 2026-06-17
Weakness: CWE-284

Description

An incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_20121102. The UpgradePrepare is the API that checks if a provided filename identifies a new version of the RLC-410W firmware. If the version is new, it would be possible, allegedly, to later on perform the Upgrade. 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-2021-1425
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1425

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