CVE-2026-2157CWE-77CWE-78

D-Link DIR-823X set_static_route_table sub_4175CC os command injection

High · published February 8, 2026

CVSS v4.0
8.6
EPSS
5%
Percentile
91.8
In the wild
Unconfirmed
What it is

⚡ A subtle argument manipulation in the D-Link DIR-823X could enable an attacker to execute OS commands remotely! 🔥 It's like a delivery driver accepting any instructions without verifying the address, leading them to drop off sensitive packages at the wrong location. In this case, the attacker can craft commands that the router blindly executes, potentially compromising your network. An attacker could remotely inject malicious commands into your router's operating system. This means they could gain full control, manipulate your network settings, and even eavesdrop on your traffic—an absolute nightmare for any home or business!

Put simply

It's like a delivery driver accepting any instructions without verifying the address, leading them to drop off sensitive packages at the wrong location. In this case, the attacker can craft commands that the router blindly executes, potentially compromising your network. This vulnerability allows for OS command injection through manipulated arguments sent to the /goform/set_static_route_table function of the DIR-823X router. By exploiting this flaw, an attacker can execute arbitrary commands on the device, potentially taking control of it.

What to do

An attacker could remotely inject malicious commands into your router's operating system. This means they could gain full control, manipulate your network settings, and even eavesdrop on your traffic—an absolute nightmare for any home or business! To safeguard your network, immediately update the D-Link DIR-823X firmware to the latest version provided by D-Link. Ensure that remote management features are disabled unless absolutely necessary, and monitor your network for any suspicious activity. 🛡️ You've got this! With a quick update, you'll have your network locked down in no time! 🚀

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.04696 · 91.8th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-02-08T15:02Z
EPSS history
Timeline
  • 08 FEB 15:02Z
    D-Link DIR-823X set_static_route_table sub_4175CC os command injection
    cvelistv5