Is CVE-2021-40405 actively exploited?

CVE-2021-40405 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-40405?

CVE-2021-40405 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2021-40405?

Patch guidance is available from reolink security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-40405.

Which products are affected by CVE-2021-40405?

1 product: reolink rlc-410w firmware.

CVE-2021-40405 - remediation guidance & executive summary

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-284 CWE-404

Metadata

Primary Vendor: REOLINK
Published: 4/14/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-40405

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary