CVE-2025-45422

Published Jul 9, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Incorrect access control in Proximus b-box v8c.725A allows authenticated attackers to bypass normal restrictions and make arbitrary changes to port forwarding rules.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Proximus b-box Router Firmware Port Forwarding Privilege Escalation
Type Values Removed Values Added
Title Proximus b-box Router Firmware Port Forwarding Privilege Escalation
Type Values Removed Values Added
Title Proximus b-box Firmware Access Control Flaw Enables Unauthorized Port Forwarding
Type Values Removed Values Added
Title Proximus b-box Firmware Access Control Flaw Enables Unauthorized Port Forwarding
Type Values Removed Values Added
Title Incorrect Access Control in Proximus b-box Enabling Unauthorized Port Forwarding
Type Values Removed Values Added
Title Incorrect Access Control in Proximus b-box Enabling Unauthorized Port Forwarding
Type Values Removed Values Added
Title Authentication Bypass Allows Arbitrary Port Forwarding Configuration
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

ssvc

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

Type Values Removed Values Added
Title Authentication Bypass Allows Arbitrary Port Forwarding Configuration
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Proximus
Proximus b-box
Vendors & Products Proximus
Proximus b-box
Type Values Removed Values Added
Description Incorrect access control in Proximus b-box v8c.725A allows authenticated attackers to bypass normal restrictions and make arbitrary changes to port forwarding rules.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 10, 2026, 5:27 PM
Reserved
Apr 22, 2025, 12:00 AM
Status
Deferred
Published
Jul 9, 2026, 9:16 PM
Modified
Oct 13, 2026, 10:10 AM