What is CVE-2021-40404?

CVE-2021-40404 is a medium-severity vulnerability in Reolink Rlc-410w, classified under Improper Access Control. CVSS score: 6.5/10. Published 2022-01-28.

How severe is CVE-2021-40404?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2021-40404 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Reolink Rlc-410w

CVE-2021-40404

An authentication bypass vulnerability exists in the cgiserver.cgi Login functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to authentication bypass. An attacker can send an HTTP request to trigger this vulnerability.

EPSS: 0.012 (65.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Reolink Rlc-410w
Reolink Rlc-410w_firmware — versions 3.0.0.136_20121102
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

aredspy/ReoLink-Reboot

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40404?: CVE-2021-40404 is a medium-severity vulnerability in Reolink Rlc-410w, classified under Improper Access Control. CVSS score: 6.5/10. Published 2022-01-28.
How severe is CVE-2021-40404?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-40404 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.