CVE-2018-20334
published 2020-03-20CVE-2018-20334: An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell…
PriorityP182critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
ITWVulnCheck KEV
Exploited in the wild
EPSS
3.83%
88.9th percentile
An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| asus | asuswrt | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
vulncheck9.8CRITICAL
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GHSA
GHSA-xgrv-mpr3-8pg9: An issue was discovered in ASUSWRT 3
ghsa_unreviewed·2022-05-24
CVE-2018-20334 [HIGH] GHSA-xgrv-mpr3-8pg9: An issue was discovered in ASUSWRT 3
An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.
VulnCheck
ASUS asuswrt Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
vulncheck·2018·CVSS 9.8
CVE-2018-20334 [CRITICAL] ASUS asuswrt Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
ASUS asuswrt Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.
Affected: ASUS asuswrt
Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Exploitation References: https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2024-10-12&host_type=src&vulnerability=cve-2018-20334; https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-05-15&host_t
No detection rules found.
No public exploits indexed.
2020-03-20
Published
Exploited in the wild