CVE-2018-9285

Main_Analysis_Content.asp in /apply.cgi on ASUS RT-AC66U, RT-AC68U, RT-AC86U, RT-AC88U, RT-AC1900, RT-AC2900, and RT-AC3100 devices before 3.0.0.4.384_10007; RT-N18U devices before 3.0.0.4.382.39935; RT-AC87U and RT-AC3200 devices before 3.0.0.4.382.50010; and RT-AC5300 devices before 3.0.0.4.384.20287 allows OS command injection via the pingCNT and destIP fields of the SystemCmd variable.

Published: 2018-04-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-9285 is rated High Risk (70.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.61%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-9285

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.80% 3.61% +0.81%
2 2025-11-21 10.24% 2.80% -7.43%
3 2025-11-18 — 10.24% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-9285

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2018-9285

Affected software / configurations for CVE-2018-9285

Vendor Product Version Raw CPE
asus rt-ac66u_firmware < 3.0.0.4.384.10007 cpe:2.3:o:asus:rt-ac66u_firmware:*:*:*:*:*:*:*:*
asus rt-ac68u_firmware < 3.0.0.4.384.10007 cpe:2.3:o:asus:rt-ac68u_firmware:*:*:*:*:*:*:*:*
asus rt-ac86u_firmware < 3.0.0.4.384.10007 cpe:2.3:o:asus:rt-ac86u_firmware:*:*:*:*:*:*:*:*
asus rt-ac88u_firmware < 3.0.0.4.384.10007 cpe:2.3:o:asus:rt-ac88u_firmware:*:*:*:*:*:*:*:*
asus rt-ac1900_firmware < 3.0.0.4.384.10007 cpe:2.3:o:asus:rt-ac1900_firmware:*:*:*:*:*:*:*:*
asus rt-ac2900_firmware < 3.0.0.4.384.10007 cpe:2.3:o:asus:rt-ac2900_firmware:*:*:*:*:*:*:*:*
asus rt-ac3100_firmware < 3.0.0.4.384.10007 cpe:2.3:o:asus:rt-ac3100_firmware:*:*:*:*:*:*:*:*
asus rt-n18u_firmware < 3.0.0.4.382.39935 cpe:2.3:o:asus:rt-n18u_firmware:*:*:*:*:*:*:*:*
asus rt-ac87u_firmware < 3.0.0.4.382.50010 cpe:2.3:o:asus:rt-ac87u_firmware:*:*:*:*:*:*:*:*
asus rt-ac3200_firmware < 3.0.0.4.382.50010 cpe:2.3:o:asus:rt-ac3200_firmware:*:*:*:*:*:*:*:*
asus rt-ac5300_firmware < 3.0.0.4.384.20287 cpe:2.3:o:asus:rt-ac5300_firmware:*:*:*:*:*:*:*:*

References for CVE-2018-9285

cvelogic Threat Intelligence