CVE-2018-20334
CRITICAL
9.8
CVSS Score
Published: March 20, 2020 at 12:11 AM UTC
Updated: June 17, 2026 at 01:52 AM UTC
46 products affected across 1 vendorAsuswrtRT-AC86URT-AC68U
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Severity
CRITICAL9.8
Exploit prediction
EPSS 4%
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
asus-gt-ac2900 (environment) · asus-gt-ac5300 (environment) · asus-gt-ax11000 (environment) · asus-rt-ac1200 (environment) · asus-rt-ac1200-v2 (environment) · asus-rt-ac1200g (environment) · asus-rt-ac1200ge (environment) · asus-rt-ac1750 (environment) · asus-rt-ac1750-b1 (environment) · asus-rt-ac1900p (environment) · asus-rt-ac3100 (environment) · asus-rt-ac3200 (environment) · asus-rt-ac51u (environment) · asus-rt-ac5300 (environment) · asus-rt-ac55u (environment) · asus-rt-ac56r (environment) · asus-rt-ac56s (environment) · asus-rt-ac56u (environment) · asus-rt-ac66r (environment) · asus-rt-ac66u (environment) · asus-rt-ac66u-b1 (environment) · asus-rt-ac66u-b1-firmware (environment) · asus-rt-ac68p (environment) · asus-rt-ac68u (environment) · asus-rt-ac86u (environment) · asus-rt-ac87u (environment) · asus-rt-ac88u (environment) · asus-rt-acrh12 (environment) · asus-rt-acrh13 (environment) · asus-rt-ax3000 (environment) · asus-rt-ax56u (environment) · asus-rt-ax58u (environment) · asus-rt-ax88u (environment) · asus-rt-ax92u (environment) · asus-rt-g32 (environment) · asus-rt-n10-d1 (environment) · asus-rt-n10e (environment) · asus-rt-n14u (environment) · asus-rt-n16 (environment) · asus-rt-n19 (environment) · asus-rt-n56r (environment) · asus-rt-n56u (environment) · asus-rt-n600 (environment) · asus-rt-n65u (environment) · asus-rt-n66r (environment) · asus-rt-n66u (environment)
Gt-Ax11000· ASUSdevice
80%All versions
Rt-Ac1200 V2· ASUSdevice
80%All versions
Rt-Ac1200G· ASUSdevice
80%All versions
Rt-Ac1200Ge· ASUSdevice
80%All versions
Rt-Ac1750 B1· ASUSdevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://starlabs.sg/advisories/18-20334/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78
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