Incorrect access control in Proximus b-box v8c.725A allows authenticated attackers to bypass normal restrictions and make arbitrary changes to port forwarding rules.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00375.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

No data.

No data.

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Vendors Products
Proximus Subscribe
B-box Subscribe

Project Subscriptions

Vendors Products
Proximus Subscribe
B-box Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://b-box.com cve-icon
http://proximus.com cve-icon
https://github.com/Cedrico03/CVE-2025-45422---Bbox cve-icon
https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:N/MAC:L/MPR:N/MUI:N/MS:C/MC:H/MI:H/MA:H&version=3.1 cve-icon
History

Mon, 03 Aug 2026 05:00:00 +0000

Type Values Removed Values Added
Title Proximus b-box Router Firmware Port Forwarding Privilege Escalation

Wed, 29 Jul 2026 13:15:00 +0000

Type Values Removed Values Added
Title Proximus b-box Router Firmware Port Forwarding Privilege Escalation

Wed, 22 Jul 2026 11:45:00 +0000

Type Values Removed Values Added
Title Proximus b-box Firmware Access Control Flaw Enables Unauthorized Port Forwarding

Fri, 17 Jul 2026 09:00:00 +0000

Type Values Removed Values Added
Title Proximus b-box Firmware Access Control Flaw Enables Unauthorized Port Forwarding

Wed, 15 Jul 2026 14:15:00 +0000

Type Values Removed Values Added
Title Incorrect Access Control in Proximus b-box Enabling Unauthorized Port Forwarding

Mon, 13 Jul 2026 21:15:00 +0000

Type Values Removed Values Added
Title Incorrect Access Control in Proximus b-box Enabling Unauthorized Port Forwarding

Sun, 12 Jul 2026 13:45:00 +0000

Type Values Removed Values Added
Title Authentication Bypass Allows Arbitrary Port Forwarding Configuration

Fri, 10 Jul 2026 18:30:00 +0000

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'}

Fri, 10 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Title Authentication Bypass Allows Arbitrary Port Forwarding Configuration
Weaknesses CWE-284

Fri, 10 Jul 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Proximus
Proximus b-box
Vendors & Products Proximus
Proximus b-box

Thu, 09 Jul 2026 21:15:00 +0000

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-07-10T17:27:54.190Z

Reserved: 2025-04-22T00:00:00.000Z

Link: CVE-2025-45422

cve-icon Vulnrichment

Updated: 2026-07-10T17:23:22.168Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-03T04:45:03Z

Weaknesses