CVE-2021-36260

hikvision ds-2cd2026g2-iu/sl firmware, hikvision ds-2cd2046g2-iu/sl firmware, hikvision ds-2cd2066g2-i(u) firmware

Published 22 Sept 2021 · updated 17 Jun 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 10 Jan 2022, with a remediation deadline of 24 Jan 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

Description

A command injection vulnerability in the web server of some Hikvision product. Due to the insufficient input validation, attacker can exploit the vulnerability to launch a command injection attack by sending some messages with malicious commands.

References