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CRITICAL · 9.8

CVE-2018-18320

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 Merl...

Vulnerability Description

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

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

VendorProductVersions
Asuswrt-Merlin ProjectRt-Ac5300 Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac5300-
Asuswrt-Merlin ProjectRt Ac1900P Firmware<= 380.70
Asuswrt-Merlin ProjectRt Ac1900P -
Asuswrt-Merlin ProjectRt-Ac68U Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac68U-
Asuswrt-Merlin ProjectRt-Ac68P Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac68P-
Asuswrt-Merlin ProjectRt-Ac88U Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac88U-
Asuswrt-Merlin ProjectRt-Ac66U B1 Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac66U B1-
Asuswrt-Merlin ProjectRt-Ac56U Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac56U-
Asuswrt-Merlin ProjectRt-Ac3200 Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac3200-
Asuswrt-Merlin ProjectRt-Ac68Uf Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac68Uf-
Asuswrt-Merlin ProjectRt-Ac87 Firmware<= 380.70
Asuswrt-Merlin ProjectRt-Ac87-

References

FAQ

What is CVE-2018-18320?

CVE-2018-18320 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 Merl...

How severe is CVE-2018-18320?

CVE-2018-18320 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-2018-18320?

Check the references section above for vendor advisories and patch information. Affected products include: Asuswrt-Merlin Project Rt-Ac5300 Firmware, Asuswrt-Merlin Project Rt-Ac5300, Asuswrt-Merlin Project Rt Ac1900P Firmware, Asuswrt-Merlin Project Rt Ac1900P , Asuswrt-Merlin Project Rt-Ac68U Firmware.