VULNERABILITY INTELLIGENCE

CVE-2021-40423

CVSS score7.5 HIGH

EPSS probability1.34%

CISA KEVNot currently listed

Published2022-01-28

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

talos-cna@cisco.com: CWE-20
nvd@nist.gov: CWE-20

Primary references

talos-cna@cisco.com — Broken Link, Technical Description, Third Party Advisory
nvd@nist.gov — Exploit, Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Technical Description, Third Party Advisory