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CVE-2026-19412

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

HIGH
8.7
CVSS Score
Published: August 28, 2026 at 01:39 PM UTC
Updated: September 1, 2026 at 09:21 PM UTC
1 product affected across 1 vendorCp Xr De21-s

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Severity
HIGH8.7
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: cverecord
https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2026-0428

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHCERT-In
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-798

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