CVE-2025-29514

Incorrect access control in the config.xgi function of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to download the configuration…

Critical · published August 25, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
47.8
In the wild
Unconfirmed
What it is

🚨 A sneaky access control flaw lets attackers download sensitive configuration files from D-Link DSL-7740C routers with a simple crafted web request! 🔥 Think of it like a hotel room service menu left unguarded; anyone who knows how to ask can get a detailed recipe for your favorite meal without checking in. This vulnerability allows unauthorized access to vital settings without the right credentials! An attacker could easily snatch up the router's configuration file, exposing Wi-Fi passwords and network settings. With this information, they could pivot to further attacks or hijack your network, making it a critical situation for users!

Put simply

Think of it like a hotel room service menu left unguarded; anyone who knows how to ask can get a detailed recipe for your favorite meal without checking in. This vulnerability allows unauthorized access to vital settings without the right credentials! The CVE-2025-29514 vulnerability arises from incorrect access controls in the config.xgi function, allowing unauthorized users to download configuration files through specially crafted HTTP requests.

What to do

An attacker could easily snatch up the router's configuration file, exposing Wi-Fi passwords and network settings. With this information, they could pivot to further attacks or hijack your network, making it a critical situation for users! To protect your network, immediately update the firmware to a patched version and ensure all admin access is secured with strong, unique passwords. Regularly audit your router settings to enhance security! You're on the case! Follow these steps, and you'll have your router locked down in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00595 · 47.8th percentile
Published
2025-08-25T00:00Z
EPSS history
Timeline
  • 25 AUG 00:00Z
    Incorrect access control in the config.xgi function of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to download the configuration…
    cvelistv5