CVE-2025-34248 HIGH

CVE-2025-34248: D-Link Nuclias Connect < v1.3.1.4 Directory Traversal to Arbitrary File Deletion

Vendor D-Link
Product Nuclias Connect
Weakness CWE-22 · Path traversal
Published October 9, 2025
Last update May 15, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

D-Link Nuclias Connect firmware versions < 1.3.1.4 contain a directory traversal vulnerability within /api/web/dnc/global/database/deleteBackup due to improper sanitization of the deleteBackupList parameter. This can allow an authenticated attacker to delete arbitrary files impacting the integrity and availability of the system.

Key dates

02Disclosure timeline

October 9, 2025 CVE published
May 15, 2026 Record updated