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CVE-2026-124012

Dixell/Copeland XWEB EVO Hardcoded Administrator Daily Password Authentication Bypass

  • Critical 9.2
  • A public exploit reference is listed

Description

XWEB EVO 5.6.2 through 5.8.8 contains a hardcoded credential vulnerability where the Administrator web account is configured to use password_mode daily_password with no stored password, as the Users.authenticate function in lualib_users.lua synthesizes the Administrator configuration without validating any stored secret. Attackers who can derive the MAC-based daily password can authenticate as Administrator to obtain a full admin session on the device. This product line reached it's end of service date in March 2026.

Key facts

Published
12 Nov 2026
Last changed
13 Nov 2026
Assigned by
VulnCheck
EPSS
0.59% likely to be exploited in the next 30 days, higher than 48.78% of CVEs (scores for 15 Nov 2026)

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.2CVSS 4.0, Criticalfrom the CNA (VulnCheck)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • 8.1CVSS 3.1, Highfrom the CNA (VulnCheck)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
CopelandXWEB EVO
  • Default status: unaffected
  • 5.6.2 up to and including 5.8.8 (affected)

Timeline

  1. 19 Oct 2026 VulnCheck CVD team reported to Copeland PSIRT
  2. 19 Oct 2026 Copeland PSIRT acknowledged receipt
  3. 5 Nov 2026 Copeland PSIRT follows up stating that given the EOS status, they will not be carrying out a comparative analysis against previously disclosed vulnerabilities
  4. 12 Nov 2026 Published

Weakness

References