D-Link DSL-124 ME_1.00 Backup Configuration File Disclosure via Unauthenticated Request

Advisories

severity: high
date: December 22, 2025
Affecting: DSL-124 Wireless N300 ADSL2+ ME_1.00
CVE: CVE-2023-53974
CWE: CWE-306 Missing Authentication for Critical Function
CVSS: 7.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
References: ExploitDB-51129
D-Link Official Homepage
D-Link MEA Product Details Page
Credit: Aryan Chehreghani
Description: D-Link DSL-124 ME_1.00 contains a configuration file disclosure vulnerability that allows unauthenticated attackers to retrieve router settings through a POST request. Attackers can send a specific POST request to the router's configuration endpoint to download a complete backup file containing sensitive network credentials and system configurations.