CVE-2025-45422
Authenticated access-control bypass in Proximus b-box allowing modification of port forwarding.
Is CVE-2025-45422 being exploited?
Not confirmed. CVE-2025-45422 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.45% probability of exploitation in the next 30 days.
How severe is CVE-2025-45422?
CVE-2025-45422 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-45422?
Not known from our data. No patch reference has been recorded for CVE-2025-45422, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2025-45422 affect?
CVE-2025-45422 affects Proximus b-box v8c.725A. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-45422?
Disable remote admin, restrict LAN admin access, change passwords, apply firmware when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can bypass controls to change port forwarding, exposing internal hosts and enabling unauthorized remote access or lateral movement.
Patch when possible