CVE-2021-47796 CRITICAL

CVE-2021-47796: Denver Smart Wifi Camera SHC-150 - 'Telnet' Remote Code Execution (RCE)

Vendor Denver
Product Smart Wifi Camera
Weakness CWE-798 · Hardcoded credentials
Published January 15, 2026
Last update April 7, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Denver SHC-150 Smart Wifi Camera contains a hardcoded telnet credential vulnerability that allows unauthenticated attackers to access a Linux shell. Attackers can connect to port 23 using the default credential to execute arbitrary commands on the camera's operating system.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
April 7, 2026 Record updated