CVE-2021-47796 | Denver SHC-150 Smart Wifi Camera contains a hardcoded telnet… | CVSS 9.8 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2021-47796
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-01-14 14:39 UTC
Published: 2026-01-15 23:25 UTC
Last updated: 2026-04-07 14:06 UTC
Primary CWE: CWE-798
Use of Hard-coded Credentials
Vendor / Product: Denver / Smart Wifi Camera
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Denver	Smart Wifi Camera	—	SHC-150

Weakness (CWE)

CWE	Source	Description
CWE-798	cna	Use of Hard-coded Credentials

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	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

References (3)

ExploitDB-50160 https://www.exploit-db.com/exploits/50160
Official Product Homepage http://old.denver.eu/products/smart-home-security/ip-camera-/indoor/c-1024/c-1245
VulnCheck Advisory: Denver Smart Wifi Camera SHC-150 - 'Telnet' Remote Code Execution (RCE) https://www.vulncheck.com/advisories/denver-smart-wifi-camera-shc-telnet-remote-code-execution-rce