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TI-2026-15831 Aliases CVE-2026-19412GHSA-3h26-q4ch-cw3m

Hardcoded Credentials Vulnerability in CP Plus CP-XR-DE21-S Router

Priority LOW 39CWE-798Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-798.

Summary

This vulnerability exists in the CP Plus CP-XR-DE21-S Router due to the presence of hardcoded HTTP Digest authentication credentials in the firmware that are identical across all devices running the affected firmware. An attacker with access to the local network could exploit this vulnerability by obtaining the hardcoded authentication information from the firmware. Successful exploitation of this vulnerability could allow the attacker to gain unauthorized administrative access and perform privileged operations on the targeted device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.003 22nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CP PlusCP-XR-DE21-S Routerup to 1.057.043_0027—No fix listedCNA
  • CP-XR-DE21-S Router VendorCP Plus Affected up to 1.057.043_0027 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-19412
  2. 2026-10-03 Alias added: GHSA-3h26-q4ch-cw3m

References

  • TI-2026-46934 Improper Authentication Vulnerability in CP PLUS EZ-P21 IP Camera CVSS 4.0HIGH 8.7
  • TI-2025-00396 Security Misconfiguration Vulnerability in CP Plus Router CVSS 4.0HIGH 8.6
  • TI-2026-05986 CP Plus 8 Ch. Network Video Recorder Cross-site Scripting CVSS 3.1HIGH 8.4
  • TI-2026-46933 Arbitrary Code Execution Vulnerability in CP PLUS EZ-P21 IP Camera CVSS 4.0HIGH 7.0
  • TI-2024-03204 CP Plus Wi-Fi Camera User Management improper authorization CVSS 3.1MEDIUM 5.4
  • TI-2026-08148 Information Exposure Vulnerability in CP-Plus Wi-Fi Camera CVSS 4.0MEDIUM 5.2

Sources