CVE-2018-17067

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices

published September 15, 2018

CVSS
—
EPSS
2%
Percentile
79.4
In the wild
Unconfirmed
What it is

⚠️ A long password may lead to a stack-based buffer overflow on D-Link DIR-816 A2 routers! Imagine a waiter taking an order that’s way too long to write down — chaos ensues! Just like a waiter struggling to fit an oversized order on a small ticket, a very long password at the /goform/formLogin endpoint could overflow the system's memory, leading to unpredictable behavior and potential exploits. An attacker could manipulate this vulnerability to overwrite the return address in the stack, which is absolutely devastating! This means they could potentially execute arbitrary code, gaining unauthorized control over your device. It's not just a little hiccup; it could lead to total chaos in your network.

Put simply

Just like a waiter struggling to fit an oversized order on a small ticket, a very long password at the /goform/formLogin endpoint could overflow the system's memory, leading to unpredictable behavior and potential exploits. This vulnerability allows an attacker to exploit the D-Link DIR-816 A2 router by submitting an excessively long password during login, causing a stack-based buffer overflow that compromises the return address in memory.

What to do

An attacker could manipulate this vulnerability to overwrite the return address in the stack, which is absolutely devastating! This means they could potentially execute arbitrary code, gaining unauthorized control over your device. It's not just a little hiccup; it could lead to total chaos in your network. To safeguard your network, ensure that your router's firmware is updated to the latest version. Consider implementing strong password policies that limit password length to prevent this overflow. Also, regularly monitor your devices for any unusual behavior. This is fixable! Stay proactive, and you'll have your network secured in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01892 · 79.4th percentile
Published
2018-09-15T21:00Z
EPSS history
Timeline
  • 15 SEP 21:00Z
    An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices
    cvelistv5