Vulnerability in Asuswrt-Merlin Project Rt-Ac1900

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 Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution

EPSS: 0.052 (91.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-18320?
CVE-2018-18320 is a critical-severity vulnerability in Asuswrt-Merlin Project Rt-Ac1900. CVSS score: 9.8/10. Published 2018-10-15.
How severe is CVE-2018-18320?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-18320 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.