What is CVE-2025-69431?

CVE-2025-69431 is a medium-severity vulnerability in Zspace Q2c, classified under Improper Link Resolution Before File Access. CVSS score: 6.1/10. Published 2026-02-03.

How severe is CVE-2025-69431?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Zspace Q2c

CVE-2025-69431

The ZSPACE Q2C NAS contains a vulnerability related to incorrect symbolic link following. 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, and then access the USB drive's directory mounted on the NAS using the Samba protocol. This allows them to obtain all files within the NAS system and tamper with those files.

EPSS: 0.003 (20.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Zspace Q2c
Zspace Q2c_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-69431?: CVE-2025-69431 is a medium-severity vulnerability in Zspace Q2c, classified under Improper Link Resolution Before File Access. CVSS score: 6.1/10. Published 2026-02-03.
How severe is CVE-2025-69431?: Medium severity. CVSS v3 base score is 6.1 out of 10.