CVE-2026-19412

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

Published Aug 28, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Upgrade CP Plus CP-XR-DE21-S Router to patched firmware version 1.057.043_0034 https://cpplusworld.com/prodassets/firmware/02a50613-6182-41dc-8b7f-cd58f1e6cba5.bin

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Hardcoded Credentials Vulnerability in CP Plus CP-XR-DE21-S Router
First Time appeared Cp Plus
Cp Plus cp-xr-de21-s Router
Weaknesses CWE-798
CPEs cpe:2.3:a:cp_plus:cp-xr-de21-s_router:version_1.057.043_0027_or_below:*:*:*:*:*:*:*
Vendors & Products Cp Plus
Cp Plus cp-xr-de21-s Router
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-In
Published
Updated
Aug 28, 2026, 6:24 PM
Reserved
Aug 10, 2026, 9:43 AM
Status
Deferred
Published
Aug 28, 2026, 4:17 PM
Modified
Sep 1, 2026, 9:08 PM