CVE-2025-69430 Path traversal in n/a
Attackers can read or modify internal NAS files by inserting a USB drive with a crafted symbolic link, affecting Yottamaster NAS devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-69430?
CVE-2025-69430 is a medium-severity path traversal vulnerability in n/a, published on 3 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An Incorrect Symlink Follow vulnerability exists in multiple Yottamaster NAS devices, including DM2 (version equal to or prior to V1.9.12), DM3 (version equal to or prior to V1.9.12), and DM200 (version equal to or prior to V1.2.23) that could be exploited by attackers to leak or tamper with the internal file system. Attackers can format a USB drive to ext4, create a symbolic link to its root directory, insert the drive into the NAS device's slot, then access the USB drive's symlink directory mounted on the NAS to obtain all files within the NAS system and tamper with those files.
Weakness: CWE-59
Which versions are affected by CVE-2025-69430?
It affects 3 products.
Products include Yottamaster Dm200 Firmware, Yottamaster Dm2 Firmware, Yottamaster Dm3 Firmware.
How do I fix CVE-2025-69430?
No fix has been published for CVE-2025-69430 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-2025-69430 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69430 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2cqf-mg5g-39xv.