CVE-2018-18320: Critical severity asuswrt-merlin rt-ac5300 firmware vulnerability

Published Oct 15, 2018
·
Updated

DISPUTED An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution.

Affected Software

56 affected components
All of the following
Asuswrt-merlin Project Rt-ac5300 Firmware<=380.70
Asuswrt-merlin Project Rt-ac5300
All of the following
Asuswrt-merlin Project Rt Ac1900p Firmware<=380.70
Asuswrt-merlin Project Rt Ac1900p
All of the following
Asuswrt-merlin Project Rt-ac68u Firmware<=380.70
Asuswrt-merlin Project Rt-ac68u
All of the following
Asuswrt-merlin Project Rt-ac68p Firmware<=380.70
Asuswrt-merlin Project Rt-ac68p
All of the following
Asuswrt-merlin Project Rt-ac88u Firmware<=380.70
Asuswrt-merlin Project Rt-ac88u
All of the following
Asuswrt-merlin Project Rt-ac66u B1 Firmware<=380.70
Asuswrt-merlin Project Rt-ac66u B1
All of the following
Asuswrt-merlin Project Rt-ac56u Firmware<=380.70
Asuswrt-merlin Project Rt-ac56u
All of the following
Asuswrt-merlin Project Rt-ac3200 Firmware<=380.70
Asuswrt-merlin Project Rt-ac3200
All of the following
Asuswrt-merlin Project Rt-ac68uf Firmware<=380.70
Asuswrt-merlin Project Rt-ac68uf
All of the following
Asuswrt-merlin Project Rt-ac87 Firmware<=380.70
Asuswrt-merlin Project Rt-ac87
All of the following
Asuswrt-merlin Project Rt-ac3100 Firmware<=380.70
Asuswrt-merlin Project Rt-ac3100
All of the following
Asuswrt-merlin Project Rt-ac1900 Firmware<=380.70
Asuswrt-merlin Project Rt-ac1900
All of the following
Asuswrt-merlin Project Rt-ac86u Firmware<=380.70
Asuswrt-merlin Project Rt-ac86u
All of the following
Asuswrt-merlin Project Rt-ac2900 Firmware<=380.70
Asuswrt-merlin Project Rt-ac2900
Asuswrt-merlin Project Rt-ac5300 Firmware<=380.70
Asuswrt-merlin Project Rt-ac5300
Asuswrt-merlin Project Rt Ac1900p Firmware<=380.70
Asuswrt-merlin Project Rt Ac1900p
Asuswrt-merlin Project Rt-ac68u Firmware<=380.70
Asuswrt-merlin Project Rt-ac68u
Asuswrt-merlin Project Rt-ac68p Firmware<=380.70
Asuswrt-merlin Project Rt-ac68p
Asuswrt-merlin Project Rt-ac88u Firmware<=380.70
Asuswrt-merlin Project Rt-ac88u
Asuswrt-merlin Project Rt-ac66u B1 Firmware<=380.70
Asuswrt-merlin Project Rt-ac66u B1
Asuswrt-merlin Project Rt-ac56u Firmware<=380.70
Asuswrt-merlin Project Rt-ac56u
Asuswrt-merlin Project Rt-ac3200 Firmware<=380.70
Asuswrt-merlin Project Rt-ac3200
Asuswrt-merlin Project Rt-ac68uf Firmware<=380.70
Asuswrt-merlin Project Rt-ac68uf
Asuswrt-merlin Project Rt-ac87 Firmware<=380.70
Asuswrt-merlin Project Rt-ac87
Asuswrt-merlin Project Rt-ac3100 Firmware<=380.70
Asuswrt-merlin Project Rt-ac3100
Asuswrt-merlin Project Rt-ac1900 Firmware<=380.70
Asuswrt-merlin Project Rt-ac1900
Asuswrt-merlin Project Rt-ac86u Firmware<=380.70
Asuswrt-merlin Project Rt-ac86u
Asuswrt-merlin Project Rt-ac2900 Firmware<=380.70
Asuswrt-merlin Project Rt-ac2900

Event History

Oct 15, 2018
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
Description
Disputed
06:29 AM
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Frequently Asked Questions

1

What is the severity of CVE-2018-18320?

The severity of CVE-2018-18320 has been classified as medium due to the potential for arbitrary command execution.

2

How do I fix CVE-2018-18320?

To fix CVE-2018-18320, it is recommended to update to a version of Asuswrt-Merlin firmware newer than 380.70.

3

Which Asuswrt-Merlin devices are affected by CVE-2018-18320?

Asuswrt-Merlin devices running versions up to 380.70 are affected by CVE-2018-18320.

4

Can CVE-2018-18320 be exploited remotely?

CVE-2018-18320 requires an attacker to have access to the trusted intranet network to exploit it.

5

What component is involved in CVE-2018-18320?

CVE-2018-18320 involves the Merlin.PHP component in Asuswrt-Merlin firmware.

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