CVE-2021-37317

Name: CVE-2021-37317
Creator: NVD / NIST
Published: 2023-02-03T18:15:12.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.54%

Last modified Jun 17, 2026

CVE-2021-37317 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Directory Traversal vulnerability in Cloud Disk in ASUS RT-AC68U router firmware version before 3.0.0.4.386.41634 allows remote attackers to write arbitrary files via improper sanitation on the target for COPY and MOVE operations.. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

Directory Traversal vulnerability in Cloud Disk in ASUS RT-AC68U router firmware version before 3.0.0.4.386.41634 allows remote attackers to write arbitrary files via improper sanitation on the target for COPY and MOVE operations.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

1.54%

71.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Asus	Rt-Ac68u Firmware	< 3.0.0.4.386.41634

References

https://robertchen.cc/blog/2021/03/31/asus-rceExploit, Mitigation, Third Party Advisory
https://robertchen.cc/blog/2021/03/31/asus-rceExploit, Mitigation, Third Party Advisory

Timeline

Published: Feb 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37317?

How severe is CVE-2021-37317?

CVE-2021-37317 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37317?

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-2021-37317?

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

Scan your code now

Source: NVD / NIST