CVE-2022-25215 Missing authorization in Phicomm Routers

Medium 5.3 Published 7 Mar 2022 Updated 3 Aug 2024

Unauthenticated attackers can modify MAC address ban lists on Phicomm routers, causing denial of service for legitimate clients.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-25215?

CVE-2022-25215 is a medium-severity missing authorization vulnerability in Phicomm Routers, published on 7 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper access control on the LocalMACConfig.asp interface allows an unauthenticated remote attacker to add (or remove) client MAC addresses to (or from) a list of banned hosts. Clients with those MAC addresses are then prevented from accessing either the WAN or the router itself.

Which versions are affected by CVE-2022-25215?

It affects 5 products.

Products include Phicomm K2 Firmware, Phicomm K2g Firmware, Phicomm K2p Firmware, Phicomm K3 Firmware, Phicomm K3c Firmware.

How do I fix CVE-2022-25215?

No fix has been published for CVE-2022-25215 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-2022-25215 being exploited?

There is no known exploitation of CVE-2022-25215 in the wild and no public exploit code.

Sources

Also known as GHSA-8j9h-xh8x-p3x2.