CVE-2021-37315 Path traversal in n/a

Critical 9.1 Published 3 Feb 2023 Updated 26 Mar 2025

Remote attackers can write arbitrary files to ASUS RT-AC68U routers via improper sanitation in Cloud Disk COPY and MOVE operations.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-37315?

CVE-2021-37315 is a critical path traversal vulnerability in n/a, published on 3 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Incorrect Access Control issue discoverd 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 source for COPY and MOVE operations.

Weakness: CWE-706

Which versions are affected by CVE-2021-37315?

It affects 1 product.

Products include Asus Rt-Ac68u Firmware.

How do I fix CVE-2021-37315?

No fix has been published for CVE-2021-37315 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-37315 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-37315 exists.

Sources

Also known as GHSA-2gmp-hjmm-v2wx.