CVE-2023-36091

Authentication Bypass vulnerability in D-Link DIR-895 FW102b07 allows remote attackers to gain escalated privileges via via function phpcgi_main in cgibin

Critical · published July 31, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
73.4
In the wild
Unconfirmed
What it is

🚨 An alarming authentication bypass lets remote attackers escalate privileges on D-Link DIR-895 devices! 🔥 Only products that are no longer supported are affected, which is an unfortunate twist in the tale. Think of this vulnerability like an old hotel that’s stopped checking guests' IDs—anyone can walk in and claim any room without any fuss! It’s a recipe for disaster when unauthorized guests can access sensitive areas and make themselves at home. With this flaw, an attacker could gain escalated privileges and control over your D-Link router—all while bypassing any authentication measures. They could manipulate settings, intercept traffic, or even launch attacks on your home network, leading to an absolute nightmare scenario.

Put simply

Think of this vulnerability like an old hotel that’s stopped checking guests' IDs—anyone can walk in and claim any room without any fuss! It’s a recipe for disaster when unauthorized guests can access sensitive areas and make themselves at home. This authentication bypass vulnerability in the D-Link DIR-895 allows unauthorized remote attackers to exploit the phpcgi_main function in cgibin, gaining elevated privileges on the system.

What to do

With this flaw, an attacker could gain escalated privileges and control over your D-Link router—all while bypassing any authentication measures. They could manipulate settings, intercept traffic, or even launch attacks on your home network, leading to an absolute nightmare scenario. To protect your network, immediately disconnect any unsupported D-Link devices and consider upgrading to a supported model. Additionally, review your network settings and apply strict firewall rules to shield against potential unauthorized access. It's time for a security check-in! You've got this! Take these steps to bolster your defenses and keep your network safe! 🛡️

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
0.01464 · 73.4th percentile
Published
2023-07-31T00:00Z
EPSS history
Timeline
  • 31 JUL 00:00Z
    Authentication Bypass vulnerability in D-Link DIR-895 FW102b07 allows remote attackers to gain escalated privileges via via function phpcgi_main in cgibin
    cvelistv5