CVE-2018-1164

Critical

Description

This vulnerability allows remote attackers to cause a denial-of-service condition on vulnerable installations of ZyXEL P-870H-51 DSL Router 1.00(AWG.3)D5. Authentication is not required to exploit this vulnerability. The specific flaw exists within numerous exposed CGI endpoints. The vulnerability is caused by improper access controls that allow access to critical functions without authentication. An attacker can use this vulnerability to reboot affected devices, along with other actions. Was ZDI-CAN-4540.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Zyxel P-870h-51 Firmware

PublishedFeb 21, 2018

First seenFeb 21, 2018

Weakness typeCWE-306Missing authentication for critical function

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
zyxel p-870h-51_firmware	1.00\(awg.3\)d5	—

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