CVE-2025-65202

TRENDnet TEW-657BRM 1.00.1 has an authenticated remote OS command injection vulnerability in the setup.cgi binary, exploitable via the HTTP parameters…

High · published November 26, 2025

CVSS v3.1
8.0
EPSS
7%
Percentile
93.9
In the wild
Unconfirmed
What it is

⚡ An authenticated user can unleash chaos! This CVE-2025-65202 vulnerability in TRENDnet TEW-657BRM lets attackers execute arbitrary commands with root privileges from the setup.cgi binary. 🔥 Think of it like a hotel where anyone with a keycard can sneak into the management office and change the locks or turn off the security alarms — a recipe for disaster! If exploited, an attacker could gain complete control over the device, potentially accessing sensitive information, altering settings, or even using it as a foothold for further attacks on the network. The ramifications could be absolutely devastating, turning your little router into a puppet for malicious activities!

Put simply

Think of it like a hotel where anyone with a keycard can sneak into the management office and change the locks or turn off the security alarms — a recipe for disaster! This vulnerability allows attackers to inject OS commands through the HTTP parameters "command", "todo", and "next_file" in the setup.cgi script, giving them root-level access to the device's operating system.

What to do

If exploited, an attacker could gain complete control over the device, potentially accessing sensitive information, altering settings, or even using it as a foothold for further attacks on the network. The ramifications could be absolutely devastating, turning your little router into a puppet for malicious activities! To protect yourself, immediately update your TRENDnet TEW-657BRM router to the latest firmware version. Additionally, review access control policies and ensure that only authorized users can access administrative functions. Don't forget to monitor the device for any suspicious activity! You've got this! By taking these steps, you're not just fixing a bug; you're solidifying your fortress! 🛡️

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.06690 · 93.9th percentile
Published
2025-11-26T00:00Z
EPSS history
Timeline
  • 26 NOV 00:00Z
    TRENDnet TEW-657BRM 1.00.1 has an authenticated remote OS command injection vulnerability in the setup.cgi binary, exploitable via the HTTP parameters…
    cvelistv5