CVE-2026-1125CWE-74CWE-77

D-Link DIR-823X set_wifidog_settings sub_412E7C command injection

Medium 路 published January 18, 2026

CVSS v4.0
6.9
EPSS
16%
Percentile
96.9
In the wild
Unconfirmed
What it is

鈿狅笍 A remote command injection flaw is hiding in your D-Link DIR-823X router! Just a sneaky argument tweak can open up a world of trouble. 馃毃 Think of this vulnerability like a hotel that allows you to check in without verifying your identity鈥攖he front desk staff just trusts anyone who shows up. If an attacker can manipulate the argument `wd_enable`, it's like slipping a forged reservation slip to gain access to all the rooms! This vulnerability could allow an attacker to execute arbitrary commands on your router remotely. Imagine someone taking control of your device, altering settings, or even spying on your network traffic! While it's currently not exploited in the wild, it鈥檚 only a matter of time if left unaddressed.

Put simply

Think of this vulnerability like a hotel that allows you to check in without verifying your identity鈥攖he front desk staff just trusts anyone who shows up. If an attacker can manipulate the argument `wd_enable`, it's like slipping a forged reservation slip to gain access to all the rooms! This vulnerability in D-Link DIR-823X occurs within the `set_wifidog_settings` function, where unsanitized input on the `wd_enable` argument can lead to command injection, enabling an attacker to execute arbitrary system commands.

What to do

This vulnerability could allow an attacker to execute arbitrary commands on your router remotely. Imagine someone taking control of your device, altering settings, or even spying on your network traffic! While it's currently not exploited in the wild, it鈥檚 only a matter of time if left unaddressed. To mitigate this risk, patch your router firmware to the latest version provided by D-Link as soon as possible. Additionally, consider changing any default credentials and disabling remote management features if not needed. Regularly check for updates to stay ahead of potential threats! You've got this! 馃殌 Stay vigilant and keep your network secure!

The record
Technical detail
CVSS v4.0
6.9 路 MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.15740 路 96.9th percentile
Weaknesses
CWE-74 路 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 路 Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-01-18T16:02Z
EPSS history
Timeline
  • 18 JAN 16:02Z
    D-Link DIR-823X set_wifidog_settings sub_412E7C command injection
    cvelistv5