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CRITICAL · 9.8

CVE-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 metacharacters in the fb_email parameter. By using th...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AsusAsuswrt3.0.0.4.384.20308
AsusGt-Ac2900-
AsusGt-Ac5300-
AsusGt-Ax11000-
AsusRt-Ac1200-
AsusRt-Ac1200 V2-
AsusRt-Ac1200G-
AsusRt-Ac1200Ge-
AsusRt-Ac1750-
AsusRt-Ac1750 B1-
AsusRt-Ac1900P-
AsusRt-Ac3100-
AsusRt-Ac3200-
AsusRt-Ac51U-
AsusRt-Ac5300-
AsusRt-Ac55U-
AsusRt-Ac56R-
AsusRt-Ac56S-
AsusRt-Ac56U-
AsusRt-Ac66R-

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2018-20334?

CVE-2018-20334 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 th...

How severe is CVE-2018-20334?

CVE-2018-20334 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-20334?

Check the references section above for vendor advisories and patch information. Affected products include: Asus Asuswrt, Asus Gt-Ac2900, Asus Gt-Ac5300, Asus Gt-Ax11000, Asus Rt-Ac1200.