CVE-2016-9496 Missing authorization in DW7000

Medium 6.5 Published 13 Jul 2018 Updated 6 Aug 2024

Unauthenticated attackers can reboot Hughes satellite modems by accessing specific URLs, causing a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2016-9496?

CVE-2016-9496 is a medium-severity missing authorization vulnerability in Hughes Satellite Modem DW7000, published on 13 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, lacks authentication. An unauthenticated user may send an HTTP GET request to http://[ip]/com/gatewayreset or http://[ip]/cgi/reboot.bin to cause the modem to reboot.

Weakness: CWE-306

Which versions are affected by CVE-2016-9496?

It affects 4 products.

Products include Hughes Dw7000 Firmware, Hughes Hn7000s Firmware, Hughes Hn7000sm Firmware, Hughes Hn7740s Firmware.

How do I fix CVE-2016-9496?

No fix has been published for CVE-2016-9496 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-2016-9496 being exploited?

There is no known exploitation of CVE-2016-9496 in the wild and no public exploit code.

Sources

Also known as GHSA-jh2c-pmq9-ggrc.