CVE-2018-18319

Name: CVE-2018-18319
Creator: NVD / NIST
Published: 2018-10-15T06:29:00.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 5.43%

Last modified Jun 17, 2026

CVE-2018-18319 is a vulnerability of currently unknown severity. An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because api.php has an eval call, as demonstrated by the /6/api.php?function=command&class=remote&Cc='ls' URI. EPSS estimates a 5.43% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because api.php has an eval call, as demonstrated by the /6/api.php?function=command&class=remote&Cc='ls' URI. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution

Metrics

EPSS Probability

5.43%

91.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Asuswrt-Merlin Project	Rt-Ac5300 Firmware	<= 380.70
Asuswrt-Merlin Project	Rt Ac1900p Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac68u Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac68p Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac88u Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac66u B1 Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac56u Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac3200 Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac68uf Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac87 Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac3100 Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac1900 Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac86u Firmware	<= 380.70
Asuswrt-Merlin Project	Rt-Ac2900 Firmware	<= 380.70

References

http://blog.51cto.com/010bjsoft/2298902Exploit, Third Party Advisory
https://github.com/qoli/Merlin.PHP/issues/27Exploit, Third Party Advisory
http://blog.51cto.com/010bjsoft/2298902Exploit, Third Party Advisory
https://github.com/qoli/Merlin.PHP/issues/27Exploit, Third Party Advisory

Timeline

Published: Oct 15, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-18319?

How severe is CVE-2018-18319?

Severity scoring for CVE-2018-18319 is pending analysis. The EPSS model estimates a 5.43% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18319?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-18319?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST