CVE-2008-1255

The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session…

published March 10, 2008

CVSS
—
EPSS
4%
Percentile
90.2
In the wild
Unconfirmed
What it is

⚡ A crafty oversight in the ZyXEL P-660HW series router lets attackers slip past the gates with ease! 🌐 Think of it like a hotel that allows guests to enter their rooms based on the last person who checked in, no ID required! An attacker can simply use the same IP as a previous guest to gain access without showing any proof of identity. This could lead to unauthorized access, allowing attackers to manipulate settings, intercept data, or launch further attacks from within your network. Imagine a stranger strolling into your home and taking control of your smart devices—yikes! 🔥

Put simply

Think of it like a hotel that allows guests to enter their rooms based on the last person who checked in, no ID required! An attacker can simply use the same IP as a previous guest to gain access without showing any proof of identity. The vulnerability arises because the router maintains its authentication state solely based on IP address, so if an attacker can spoof a valid user's IP, they can bypass authentication altogether.

What to do

This could lead to unauthorized access, allowing attackers to manipulate settings, intercept data, or launch further attacks from within your network. Imagine a stranger strolling into your home and taking control of your smart devices—yikes! 🔥 To mitigate this issue, consider updating the firmware to the latest version provided by ZyXEL, and implement stricter access controls that validate user sessions beyond just IP addresses. Don't forget to regularly review your network settings! 🛡️ You've got this! With these steps, you'll be reinforcing those defenses in no time! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03911 · 90.2th percentile
Published
2008-03-10T17:00Z
EPSS history
Timeline
  • 10 MAR 17:00Z
    The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session…
    cvelistv5