CVE-2025-69430: An Incorrect Symlink Follow vulnerability exists in multiple Yottamaster NAS devices, including DM2 (version e

Q: How do I fix CVE-2025-69430?

dm2 firmware: upgrade to newer than 1.9.12; dm3 firmware: upgrade to newer than 1.9.12; dm200 firmware: upgrade to newer than 1.2.23. Exact commands for each OS are on this page.

Q: Is CVE-2025-69430 being exploited?

CVE-2025-69430 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-69430 affect?

CVE-2025-69430 affects dm2 firmware, dm3 firmware, dm200 firmware. Severity is medium (CVSS 6.1). 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 co

Q: How urgent is CVE-2025-69430?

Priority 32/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADEUPGRADEUPGRADE

CVE-2025-69430 is a medium-severity flaw (CVSS 6.1) affecting dm2 firmware, dm3 firmware, dm200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-59
Published	2026-02-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: yottamaster

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-03 18:16 UTCPublished CVE record published
2026-06-17 10:00 UTCUpdated Record last modified

yottamaster dm2 firmware UPGRADE

Affected: <= 1.9.12

Fixed in: newer than 1.9.12

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

yottamaster dm3 firmware UPGRADE

Affected: <= 1.9.12

Fixed in: newer than 1.9.12

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

yottamaster dm200 firmware UPGRADE

Affected: <= 1.2.23

Fixed in: newer than 1.2.23

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-69430?

dm2 firmware: upgrade to newer than 1.9.12; dm3 firmware: upgrade to newer than 1.9.12; dm200 firmware: upgrade to newer than 1.2.23. Exact commands for each OS are on this page.

Is CVE-2025-69430 being exploited?

CVE-2025-69430 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-69430 affect?

CVE-2025-69430 affects dm2 firmware, dm3 firmware, dm200 firmware. Severity is medium (CVSS 6.1). 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 co

How urgent is CVE-2025-69430?

Priority 32/100. Public exploit reference

Related CVEs

CVE-2025-14224 MEDIUM 4.3 UPGRADE UPGRADE A vulnerability was found in Yottamaster DM2, DM3 and DM200 up to 1.2.23/1.9.12

References

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