CVE-2026-19412

High

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.

SeverityHigh

CVSS8.7

Exploit probability—

ProductCP-XR-DE21-S Router

PublishedAug 28, 2026

First seenAug 28, 2026

Weakness typeCWE-798Hard-coded credentials

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
CP Plus CP-XR-DE21-S Router	version 1.057.043_0027 or below	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.