CVE-2024-42520

TOTOLINK A3002R v4.0.0-B20230531.1404 contains a buffer overflow vulnerability in /bin/boa via formParentControl

Critical · published August 12, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
49.5
In the wild
Unconfirmed
What it is

🔥 A single buffer overflow in TOTOLINK A3002R could turn your router into a hacker's playground! Think of this vulnerability as a bottleneck in a factory where too much pressure can cause a major explosion — if an attacker pushes just the right button, they can overflow the system and wreak havoc! With this critical flaw, an attacker could gain unauthorized control over the router, potentially intercepting sensitive data or even rerouting traffic. The consequences could be absolutely devastating, leading to compromised privacy and disrupted service for all connected devices.

Put simply

Think of this vulnerability as a bottleneck in a factory where too much pressure can cause a major explosion — if an attacker pushes just the right button, they can overflow the system and wreak havoc! The buffer overflow vulnerability in version 4.0.0-B20230531.1404 of the TOTOLINK A3002R occurs in the '/bin/boa' component, allowing attackers to manipulate memory and execute arbitrary code if exploited.

What to do

With this critical flaw, an attacker could gain unauthorized control over the router, potentially intercepting sensitive data or even rerouting traffic. The consequences could be absolutely devastating, leading to compromised privacy and disrupted service for all connected devices. Immediate action is essential! Patch your device to the latest version to block this vulnerability and ensure your network remains secure. Regularly check for firmware updates and consider changing default settings to enhance your router's defenses. You've got this! Follow these steps, and your network will be fortified in no time. 🛡️

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
0.00629 · 49.5th percentile
Published
2024-08-12T00:00Z
EPSS history
Timeline
  • 12 AUG 00:00Z
    TOTOLINK A3002R v4.0.0-B20230531.1404 contains a buffer overflow vulnerability in /bin/boa via formParentControl
    cvelistv5