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Vulnerability record · CVE-2021-47796 · published 16 January 2026

CVE-2021-47796: Hard-coded credentials vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 0.56% · top 55.8% CWE-798 · Hard-coded credentials Deferred
9.3CVSS 4.0 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
http://old.denver.eu/products/smart-home-security/ip-camera-/indoor/c-1024/c-1245
https://www.exploit-db.com/exploits/50160
https://www.vulncheck.com/advisories/denver-smart-wifi-camera-shc-telnet-remote-code-execution-rce

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Source: NIST National Vulnerability Database (record CVE-2021-47796), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.