SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-18319

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.

CRITICAL 9.8EPSS 5.43%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
5.43% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-94
Affected
asuswrt-merlin project/rt-ac5300 firmware · asuswrt-merlin project/rt ac1900p firmware · asuswrt-merlin project/rt-ac68u firmware · asuswrt-merlin project/rt-ac68p firmware · asuswrt-merlin project/rt-ac88u firmware · asuswrt-merlin project/rt-ac66u b1 firmware · asuswrt-merlin project/rt-ac56u firmware · asuswrt-merlin project/rt-ac3200 firmware · asuswrt-merlin project/rt-ac68uf firmware · asuswrt-merlin project/rt-ac87 firmware · asuswrt-merlin project/rt-ac3100 firmware · asuswrt-merlin project/rt-ac1900 firmware · asuswrt-merlin project/rt-ac86u firmware · asuswrt-merlin project/rt-ac2900 firmware
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.