CVE-2019-17509

D-Link DIR-846 devices with firmware 100A35 allow remote attackers to execute arbitrary OS commands as root by leveraging admin access and sending a /HNAP1/…

published October 11, 2019

CVSS
—
EPSS
3%
Percentile
89.1
In the wild
Unconfirmed
What it is

⚡ Just a single crafty request could lead to total chaos! With a twist of shell metacharacters, attackers can execute arbitrary commands on your D-Link DIR-846 devices. 😱 Think of your D-Link device as a restaurant where the chef openly accepts any order without checking the menu. If a disgruntled diner shouts a secret ingredient command, they could end up cooking whatever dish they like, even if it’s not on the menu! An attacker with admin access could run any command they desire, potentially compromising sensitive data or even taking full control of your device. Imagine a burglar not just entering your home but also rearranging your valuables—or worse, stealing them altogether!

Put simply

Think of your D-Link device as a restaurant where the chef openly accepts any order without checking the menu. If a disgruntled diner shouts a secret ingredient command, they could end up cooking whatever dish they like, even if it’s not on the menu! This vulnerability arises from the /HNAP1/ request for SetMasterWLanSettings, where attackers can inject shell metacharacters, executing commands as root without proper validation.

What to do

An attacker with admin access could run any command they desire, potentially compromising sensitive data or even taking full control of your device. Imagine a burglar not just entering your home but also rearranging your valuables—or worse, stealing them altogether! To safeguard your network, ensure your firmware is updated to the latest version immediately. Also, consider restricting admin access and regularly auditing your device settings for unauthorized changes. You've got this! With a few simple steps, you can lock down your device and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03484 · 89.1th percentile
Published
2019-10-11T19:29Z
EPSS history
Timeline
  • 11 OCT 19:29Z
    D-Link DIR-846 devices with firmware 100A35 allow remote attackers to execute arbitrary OS commands as root by leveraging admin access and sending a /HNAP1/…
    cvelistv5