CVE-2018-1164 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zyxel	P-870H-51 Firmware	1.00\(awg.3\)d5
Zyxel	P-870H-51	-

Related Weaknesses (CWE)

CWE-306 CWE-732

References

https://zerodayinitiative.com/advisories/ZDI-18-135Third Party AdvisoryVDB Entry
https://zerodayinitiative.com/advisories/ZDI-18-135Third Party AdvisoryVDB Entry

FAQ

What is CVE-2018-1164?

CVE-2018-1164 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 thi...

How severe is CVE-2018-1164?

CVE-2018-1164 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-1164?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel P-870H-51 Firmware, Zyxel P-870H-51.