CVE-2018-20333

Name: CVE-2018-20333
Creator: NVD / NIST
Published: 2020-03-20T01:15:22.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.21%

Last modified Jun 17, 2026

CVE-2018-20333 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in ASUSWRT 3.0.0.4.384.20308. An unauthenticated user can request /update_applist.asp to see if a USB device is attached to the router and if there are apps installed on the router.. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

Description

An issue was discovered in ASUSWRT 3.0.0.4.384.20308. An unauthenticated user can request /update_applist.asp to see if a USB device is attached to the router and if there are apps installed on the router.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.21%

64.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Asus	Asuswrt	3.0.0.4.384.20308

References

https://starlabs.sg/advisories/18-20333/Exploit, Third Party Advisory
https://starlabs.sg/advisories/18-20333/Exploit, Third Party Advisory

Timeline

Published: Mar 20, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20333?

How severe is CVE-2018-20333?

CVE-2018-20333 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20333?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20333?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST