D-Link Nuclias Connect <1.3.1.4 DIR Traversal via deleteBackupList
CVE-2025-34248 Published on October 9, 2025
D-Link Nuclias Connect < v1.3.1.4 Directory Traversal to Arbitrary File Deletion
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.
Vulnerability Analysis
CVE-2025-34248 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2025-34248 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2025-34248
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Affected Versions
D-Link Nuclias Connect:- Before 1.3.1.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.