CVE-2025-34048 D-Link DSL-2730U/2750U/2750E Path Traversal Arbitrary File Read
Unauthenticated remote attackers can read arbitrary files on D-Link ADSL routers via path traversal in the web interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34048?
CVE-2025-34048 is a high-severity path traversal vulnerability in D-Link DSL-2730U, published on 26 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A path traversal vulnerability exists in the web management interface of D-Link DSL-2730U, DSL-2750U, and DSL-2750E ADSL routers with firmware versions IN_1.02, SEA_1.04, and SEA_1.07. The vulnerability is due to insufficient input validation on the getpage parameter within the /cgi-bin/webproc CGI script. This flaw allows an unauthenticated remote attacker to perform path traversal attacks by supplying crafted requests, enabling arbitrary file read on the affected device. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC.
Weakness: CWE-22
Which versions are affected by CVE-2025-34048?
How do I fix CVE-2025-34048?
No fix has been published for CVE-2025-34048 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-2025-34048 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34048 exists.
Sources
Also known as GHSA-4m2v-gmf9-56qj.