CVE-2019-7564 Missing authorization in n/a

Critical 9.8 Published Updated

Unauthenticated attackers can change the WiFi password on Coship WM3300 routers by sending a specific POST request, bypassing authentication controls.

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-2019-7564?

CVE-2019-7564 is a critical missing authorization vulnerability in n/a, published on 7 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on Shenzhen Coship WM3300 WiFi Router 5.0.0.55 devices. The password reset functionality of the Wireless SSID doesn't require any type of authentication. By making a POST request to the regx/wireless/wl_security_2G.asp URI, the attacker can change the password of the Wi-FI network.

Weakness: CWE-306

Which versions are affected by CVE-2019-7564?

It affects 4 products.

Products include Coship Rt3050 Firmware, Coship Rt3052 Firmware, Coship Rt7620 Firmware, Coship Wm3300 Firmware.

How do I fix CVE-2019-7564?

No fix has been published for CVE-2019-7564 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-2019-7564 being exploited?

There is no known exploitation of CVE-2019-7564 in the wild and no public exploit code.

Sources

Also known as GHSA-7g2v-29mr-2f42.

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