CVE-2025-28256

An issue in TOTOLINK A3100R V4.1.2cu.5247_B20211129 allows a remote attacker to execute arbitrary code via the setWebWlanIdx of the file…

Critical · published March 28, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
61.6
In the wild
Unconfirmed
What it is

🔥 A single vulnerable command in the TOTOLINK A3100R is all it takes for a remote attacker to execute arbitrary code! 🚨 Think of this vulnerability like a hotel concierge who hands out master keys without checking identification. An attacker could stroll in and access any room they please, completely bypassing security measures. This means an attacker can potentially take over the device, execute malicious commands, or manipulate network traffic — it's a gateway to havoc! Imagine your personal data being compromised or your network being hijacked. Absolutely devastating!

Put simply

Think of this vulnerability like a hotel concierge who hands out master keys without checking identification. An attacker could stroll in and access any room they please, completely bypassing security measures. CVE-2025-28256 allows remote attackers to execute arbitrary code through the `setWebWlanIdx` function within the `wireless.so` file, skipping critical security checks in the process.

What to do

This means an attacker can potentially take over the device, execute malicious commands, or manipulate network traffic — it's a gateway to havoc! Imagine your personal data being compromised or your network being hijacked. Absolutely devastating! To protect yourself, update the TOTOLINK A3100R firmware to the latest version immediately. It's crucial to monitor network traffic for any suspicious activity and consider changing default credentials for added security. You've got this! By taking these steps, you're becoming a hero of your own network! 🛡️

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
0.00971 · 61.6th percentile
Published
2025-03-28T00:00Z
EPSS history
Timeline
  • 28 MAR 00:00Z
    An issue in TOTOLINK A3100R V4.1.2cu.5247_B20211129 allows a remote attacker to execute arbitrary code via the setWebWlanIdx of the file…
    cvelistv5