CVE-2025-34048 HIGH

CVE-2025-34048: D-Link DSL-2730U/2750U/2750E Path Traversal Arbitrary File Read

Vendor D-Link
Product DSL-2730U
Weakness CWE-22 · Path traversal
Published June 26, 2025
Last update April 7, 2026
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CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 26, 2025 CVE published
April 7, 2026 Record updated