CVE-2018-1164

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.

References

Link	Tags
https://zerodayinitiative.com/advisories/ZDI-18-135	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-1164?: CVE-2018-1164 has been scored as a critical severity vulnerability.
How to fix CVE-2018-1164?: To fix CVE-2018-1164, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-1164 being actively exploited in the wild?: It is possible that CVE-2018-1164 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~30% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-1164?: CVE-2018-1164 affects ZyXEL ZyXEL P-870H-51 DSL Router.

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Description

Categories

CWE-306 – Missing Authentication for Critical Function

CWE-732 – Incorrect Permission Assignment for Critical Resource

References

Frequently Asked Questions