#VU106237 UNIX symbolic link following in Century Systems products - CVE-2025-30485

Vulnerability identifier: #VU106237

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2025-30485

CWE-ID: CWE-61

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
FutureNet NXR-1420
FutureNet NXR-1300
FutureNet NXR-650
FutureNet NXR-610X
FutureNet NXR-530
FutureNet NXR-350/C
FutureNet NXR-230/C
FutureNet NXR-160/LW
FutureNet NXR-G540
FutureNet NXR-G260
FutureNet NXR-G240
FutureNet NXR-G180/L-CA
FutureNet NXR-G120
FutureNet NXR-G110
FutureNet NXR-G100
FutureNet NXR-G060
FutureNet NXR-G050
FutureNet VXR-x64
FutureNet VXR-x86

Software vendor:
Century Systems

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue. An administrator with physical access can create a specially crafted symbolic link to a critical file on the system and obtain or destroy internal files.

Install updates from vendor's website.

• https://jvn.jp/en/vu/JVNVU92821536/index.html
• https://www.centurysys.co.jp/backnumber/common/jvnvu92821536.html