CVE-2026-19412: Hardcoded Credentials Vulnerability in CP Plus CP-XR-DE21-S Router
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
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
CP Plus CP-XR-DE21-S Routerto a version that resolves this vulnerability.Fixed in 1.057.043_0034
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must have access to the local network and obtain the hardcoded HTTP Digest authentication information from the firmware. The credentials are identical across devices running the affected firmware.
What access could an attacker gain?
Successful exploitation can give an attacker unauthorized administrative access to the router. This access can be used to perform privileged operations on the targeted device.