CVE-2025-6542CWE-78command-injection

CVE-2025-6542

Critical · published October 21, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
62.9
In the wild
Unconfirmed
What it is

🚨 A remote attacker can execute arbitrary operating system commands without any authentication—it's like handing over the keys to your server without a password! 🔥 This vulnerability is like a construction worker who can stroll into a building site without showing a badge—anyone can just walk in and start making changes without anyone noticing. 🤦‍♂️ The consequences are absolutely devastating; an attacker could control your server, steal sensitive data, or sabotage your systems entirely. It's an open invitation for chaos, with the potential for complete system compromise.

Put simply

This vulnerability is like a construction worker who can stroll into a building site without showing a badge—anyone can just walk in and start making changes without anyone noticing. 🤦‍♂️ This vulnerability allows an unauthenticated remote attacker to execute commands on the host operating system, leveraging a flaw in input validation that fails to sanitize user inputs properly.

What to do

The consequences are absolutely devastating; an attacker could control your server, steal sensitive data, or sabotage your systems entirely. It's an open invitation for chaos, with the potential for complete system compromise. Patch your system immediately to the latest version and implement strict access controls to limit incoming traffic. Conduct a thorough security audit to ensure no vulnerabilities linger elsewhere! You've got this! Follow these steps to secure your systems and regain control! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01015 · 62.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-10-21T05:15Z
Affected products (26)
ProductVersionsFixed in
tp-link/er8411_firmware< 1.3.31.3.3
tp-link/er8411_firmwareall versions—
tp-link/er7412-m2_firmware< 1.1.01.1.0
tp-link/er7412-m2_firmwareall versions—
tp-link/er707-m2_firmware< 1.3.11.3.1
tp-link/er707-m2_firmwareall versions—
tp-link/er7206_firmware< 2.2.22.2.2
tp-link/er7206_firmwareall versions—
tp-link/er605_firmware< 2.3.12.3.1
tp-link/er605_firmwareall versions—
tp-link/er706w_firmware< 1.2.11.2.1
tp-link/er706w_firmwareall versions—
tp-link/er706w-4g_firmware< 1.2.11.2.1
tp-link/er706w-4g_firmwareall versions—
tp-link/er7212pc_firmware< 2.1.32.1.3
tp-link/er7212pc_firmwareall versions—
tp-link/g36_firmware< 1.1.41.1.4
tp-link/g36_firmwareall versions—
tp-link/g611_firmware< 1.2.21.2.2
tp-link/g611_firmwareall versions—
tp-link/fr365_firmware< 1.1.101.1.10
tp-link/fr365_firmwareall versions—
tp-link/fr205_firmware< 1.0.31.0.3
tp-link/fr205_firmwareall versions—
tp-link/fr307-m2_firmware< 1.2.51.2.5
tp-link/fr307-m2_firmwareall versions—
References (4)
EPSS history
Timeline
  • 21 OCT 00:23Z
    OS command injection in multiple parameters
    cvelistv5