CVE-2019-13561

D-Link DIR-655 C devices before 3.02B05 BETA03 allow remote attackers to execute arbitrary commands via shell metacharacters in the online_firmware_check.cgi…

published July 11, 2019

CVSS
—
EPSS
8%
Percentile
95.0
In the wild
Unconfirmed
What it is

⚠️ A crafty series of shell metacharacters can turn your D-Link DIR-655 into an unwitting accomplice! This vulnerability lets attackers remotely execute commands through a sneaky little parameter. 🔥 Think of it like a restaurant that takes orders without checking if the ingredients are safe — one customer could slip in a request for something downright dangerous without anyone asking questions! If exploited, an attacker could execute arbitrary commands on your device, potentially gaining control over your network. This could lead to unauthorized access, sensitive data exposure, or even turning your router into a launchpad for further attacks.

Put simply

Think of it like a restaurant that takes orders without checking if the ingredients are safe — one customer could slip in a request for something downright dangerous without anyone asking questions! This flaw in the D-Link DIR-655 allows attackers to manipulate the check_fw_url parameter in the online_firmware_check.cgi script, executing commands via shell metacharacters. Essentially, it's a recipe for disaster when the system fails to sanitize input properly.

What to do

If exploited, an attacker could execute arbitrary commands on your device, potentially gaining control over your network. This could lead to unauthorized access, sensitive data exposure, or even turning your router into a launchpad for further attacks. To protect your network, update your D-Link DIR-655 firmware to the latest version (3.02B05 BETA03 or higher). Additionally, review your device settings and consider disabling remote access unless absolutely necessary. 🔒 You've got this! Stay vigilant and follow these steps to secure your router like the hero you are! 🦸‍♂️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.08433 · 95.0th percentile
Published
2019-07-11T14:59Z
EPSS history
Timeline
  • 11 JUL 14:59Z
    D-Link DIR-655 C devices before 3.02B05 BETA03 allow remote attackers to execute arbitrary commands via shell metacharacters in the online_firmware_check.cgi…
    cvelistv5