CVE-2018-5393CWE-306

TP-Link EAP Controller versions 2.5.3 and earlier lack RMI authentication

published September 28, 2018

CVSS
—
EPSS
13%
Percentile
96.3
In the wild
Unconfirmed
What it is

🚨 No password required here! The TP-LINK EAP Controller leaves its RMI service wide open, making it easy for attackers to swoop in and execute malicious commands. 🔥 Think of it as a restaurant kitchen where anyone can walk in and start cooking without showing a reservation or even a chef's hat — wild, right? This lack of authentication means attackers can easily manipulate the system without any checks in place. If an attacker takes advantage of this vulnerability, they could gain full control over the server, executing any Java functions they desire. This means they could potentially alter configurations, steal sensitive data, or even lock you out entirely — absolutely devastating!

Put simply

Think of it as a restaurant kitchen where anyone can walk in and start cooking without showing a reservation or even a chef's hat — wild, right? This lack of authentication means attackers can easily manipulate the system without any checks in place. This vulnerability allows remote attackers to exploit the TP-LINK EAP Controller's Java RMI service due to the absence of authentication. By executing deserialization attacks, they can run arbitrary commands on the server, leading to unauthorized control.

What to do

If an attacker takes advantage of this vulnerability, they could gain full control over the server, executing any Java functions they desire. This means they could potentially alter configurations, steal sensitive data, or even lock you out entirely — absolutely devastating! To protect your network, immediately update your TP-LINK EAP Controller to version 2.5.4 or later, which addresses this authentication flaw. Additionally, consider implementing firewall rules to restrict access to the RMI interface from untrusted sources. You've got this! By following these steps, you’ll tighten up security and keep those pesky attackers out! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.12860 · 96.3th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2018-09-28T17:00Z
EPSS history
Timeline
  • 28 SEP 17:00Z
    TP-Link EAP Controller versions 2.5.3 and earlier lack RMI authentication
    cvelistv5