CVE-2025-34248

D-Link Nuclias Connect < v1.3.1.4 Directory Traversal to Arbitrary File Deletion

State: Published
Severity: 7.2 High
Published: Oct 9, 2025
Updated: May 15, 2026
Reserved: Apr 15, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	7.2 High	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	VulnCheck

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
Nuclias ConnectD-Link	before 1.3.1.4Affected

References

https://www.vulncheck.com/advisories/dlink-nuclias-connect-directory-traversal-to-arbitrary-file-deletionthird-party-advisory
https://www.dlink.com/en/for-business/nuclias/nuclias-connectproduct
https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10472vendor-advisorypatch

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