CVE-2018-19989

In the /HNAP1/SetQoSSettings message, the uplink parameter is vulnerable, and the vulnerability affects D-Link DIR-822 Rev.B 202KRb06 and DIR-822 Rev.C 3.10B06…

published May 13, 2019

CVSS
—
EPSS
6%
Percentile
92.8
In the wild
Unconfirmed
What it is

⚠️ A vulnerable uplink parameter in your D-Link devices could give attackers a pathway right into your network! Think of it like a restaurant where anyone can order without checking IDs — if they slip in a dangerous request, it could ruin the whole kitchen! An attacker could exploit this oversight to inject shell commands into your device's configuration, potentially gaining control over your router. This could lead to unauthorized access to your network and sensitive information, making it a serious concern for your home or office security.

Put simply

Think of it like a restaurant where anyone can order without checking IDs — if they slip in a dangerous request, it could ruin the whole kitchen! The vulnerability in the D-Link DIR-822 Rev.B 202KRb06 and DIR-822 Rev.C 3.10B06 devices arises from the uplink parameter being saved without proper validation. This allows attackers to insert shell metacharacters into the SetQoSSettings XML message, which can then be executed in command functions without checks.

What to do

An attacker could exploit this oversight to inject shell commands into your device's configuration, potentially gaining control over your router. This could lead to unauthorized access to your network and sensitive information, making it a serious concern for your home or office security. To protect your devices, update to the latest firmware version available from D-Link. If you can't update immediately, consider disabling remote management features to reduce your exposure. Regularly audit your network settings and monitor for any unusual activity. You've got this! By taking these steps, you can fortify your network and keep those pesky intruders out! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05543 · 92.8th percentile
Published
2019-05-13T13:25Z
EPSS history
Timeline
  • 13 MAY 13:25Z
    In the /HNAP1/SetQoSSettings message, the uplink parameter is vulnerable, and the vulnerability affects D-Link DIR-822 Rev.B 202KRb06 and DIR-822 Rev.C 3.10B06…
    cvelistv5