CVE-2025-45422 Missing authorization in n/a
Authenticated attackers can bypass restrictions to arbitrarily modify port forwarding rules on Proximus b-box routers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-45422?
CVE-2025-45422 is a high-severity missing authorization vulnerability in n/a, published on 9 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-284
Which versions are affected by CVE-2025-45422?
How do I fix CVE-2025-45422?
No fix has been published for CVE-2025-45422 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-45422 being exploited?
There is no known exploitation of CVE-2025-45422 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-w9hh-7h9h-85gv.