CVE-2011-4723KEV · OVERDUE

D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability

Medium · published December 20, 2011

Patch now

The score understates this — it's already being exploited

CVSS calls it medium at 5.7. It is confirmed in active exploitation. It sits in the 87.4th percentile for exploit probability.

1484
days past CISA
deadline
CVSS v3.1
5.7
EPSS
3%
Percentile
87.4
In the wild
Confirmed
What it is

⚠️ Cleartext passwords are hanging out in the D-Link DIR-300's storage like it's a no-security party! 📅 Think of it as leaving your front door wide open with a sign that reads 'Welcome, take what you want!' Anyone with the right know-how can waltz in and grab your sensitive information without even breaking a sweat. This vulnerability could lead to attackers easily snatching your passwords and other sensitive data, potentially exposing your entire network to unauthorized access and malicious use. It’s not just inconvenient; it could be downright devastating if they exploit that information!

Put simply

Think of it as leaving your front door wide open with a sign that reads 'Welcome, take what you want!' Anyone with the right know-how can waltz in and grab your sensitive information without even breaking a sweat. The D-Link DIR-300 router is storing user passwords in cleartext, making it accessible to context-dependent attackers through various vectors without any encryption to protect it.

What to do

This vulnerability could lead to attackers easily snatching your passwords and other sensitive data, potentially exposing your entire network to unauthorized access and malicious use. It’s not just inconvenient; it could be downright devastating if they exploit that information! To mitigate this risk, change your router's settings to require strong, unique passwords and ensure that firmware is up-to-date. Regularly monitor your network for any suspicious activities, and consider enabling additional security measures like WPA2 encryption to bolster your defenses. You've got this! With these steps, you'll tighten your security and keep those passwords safe! 🛡️

The record
Technical detail
CVSS v3.1
5.7 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.03064 · 87.4th percentile
Published
2011-12-20T11:00Z
KEV added
2022-09-08 · due 2022-09-29
EPSS history
Timeline
  • 08 SEP 00:00Z
    Added to CISA KEV — remediate by Sep 29
    kev
  • 20 DEC 11:00Z
    The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors
    cvelistv5