CVE-2025-56123CWE-78command-injection

CVE-2025-56123

High · published December 12, 2025

CVSS v3.1
8.8
EPSS
3%
Percentile
85.5
In the wild
Unconfirmed
What it is

⚡ A cleverly crafted POST request could unleash a world of chaos! This OS Command Injection in Ruijie RG-EW1200G PRO allows attackers to run arbitrary commands, making it a serious concern for your network's integrity. Think of it like a sneaky postal worker who accepts any letter without checking the return address—this vulnerability lets attackers send commands that could manipulate your network, as if they were authorized to adjust any setting without your permission. If exploited, an attacker could execute any command on the system, potentially gaining full control over your network device. This could lead to unauthorized access, data breaches, or even turning your network tools against you—it's a recipe for disaster!

Put simply

Think of it like a sneaky postal worker who accepts any letter without checking the return address—this vulnerability lets attackers send commands that could manipulate your network, as if they were authorized to adjust any setting without your permission. The OS Command Injection vulnerability allows attackers to execute arbitrary commands by sending a specific payload via a crafted POST request to the module_get function in networkConnect.lua, bypassing security measures in place.

What to do

If exploited, an attacker could execute any command on the system, potentially gaining full control over your network device. This could lead to unauthorized access, data breaches, or even turning your network tools against you—it's a recipe for disaster! Immediate action is crucial! Update your Ruijie RG-EW1200G PRO device to version V1.01/V2.01/V3.01/V4.01 to patch this vulnerability. Additionally, consider implementing input validation and restricting access to sensitive commands to further harden your defenses. You’ve got this! By following these steps, you can secure your network and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02643 · 85.5th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-12-12T00:15Z
Affected products (2)
ProductVersionsFixed in
ruijie/rg-ew1200g_pro_firmwareall versions—
ruijie/rg-ew1300g_firmwareall versions—
References (3)
EPSS history
Timeline
  • 11 DEC 00:00Z
    OS Command Injection vulnerability in Ruijie RG-EW1200G PRO RG-EW1200G PRO V1.00/V2.00/V3.00/V4.00 allowing attackers to execute arbitrary commands via a…
    cvelistv5