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01 Record

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

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
5.24% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 92.1% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-10-15 06:00Z8 YR AGO
Last updated
2024-09-16 22:41Z2 YR AGO
Reserved
2018-10-15
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
8117bce356f3c5f1c4747f7b78cac2cb6df9a377a9f5072e9beb411c92534626

05 Affected products

VendorProductVersionsPlatforms
asuswrt-merlin_projectrt-ac1900Not specified—
asuswrt-merlin_projectrt-ac1900_firmwareNot specified—
asuswrt-merlin_projectrt-ac2900Not specified—
asuswrt-merlin_projectrt-ac2900_firmwareNot specified—
asuswrt-merlin_projectrt-ac3100Not specified—
asuswrt-merlin_projectrt-ac3100_firmwareNot specified—
asuswrt-merlin_projectrt-ac3200Not specified—
asuswrt-merlin_projectrt-ac3200_firmwareNot specified—
asuswrt-merlin_projectrt-ac5300Not specified—
asuswrt-merlin_projectrt-ac5300_firmwareNot specified—
asuswrt-merlin_projectrt-ac56uNot specified—
asuswrt-merlin_projectrt-ac56u_firmwareNot specified—
asuswrt-merlin_projectrt-ac66u_b1Not specified—
asuswrt-merlin_projectrt-ac66u_b1_firmwareNot specified—
asuswrt-merlin_projectrt-ac68pNot specified—
asuswrt-merlin_projectrt-ac68p_firmwareNot specified—
asuswrt-merlin_projectrt-ac68uNot specified—
asuswrt-merlin_projectrt-ac68u_firmwareNot specified—
asuswrt-merlin_projectrt-ac68ufNot specified—
asuswrt-merlin_projectrt-ac68uf_firmwareNot specified—
asuswrt-merlin_projectrt-ac86uNot specified—
asuswrt-merlin_projectrt-ac86u_firmwareNot specified—
asuswrt-merlin_projectrt-ac87Not specified—
asuswrt-merlin_projectrt-ac87_firmwareNot specified—
asuswrt-merlin_projectrt-ac88uNot specified—
asuswrt-merlin_projectrt-ac88u_firmwareNot specified—
asuswrt-merlin_projectrt_ac1900p_Not specified—
asuswrt-merlin_projectrt_ac1900p_firmwareNot specified—

06 References