CVE-2025-34248 D-Link Nuclias Connect < v1.3.1.4 Directory Traversal to Arbitrary File Deletion
An authenticated attacker can delete arbitrary files via directory traversal in D-Link Nuclias Connect, compromising system integrity and availability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34248?
CVE-2025-34248 is a high-severity path traversal vulnerability in D-Link Nuclias Connect, published on 9 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2025-34248?
How do I fix CVE-2025-34248?
No fix has been published for CVE-2025-34248 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-34248 being exploited?
There is no known exploitation of CVE-2025-34248 in the wild and no public exploit code.
Sources
Also known as GHSA-p6fr-xh6v-6wmv.