CVE-2021-26709

D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device…

published April 7, 2021

CVSS
—
EPSS
40%
Percentile
98.6
In the wild
Unconfirmed
What it is

⚠️ D-Link DSL-320B-D1 devices through EU_1.25 are hiding a sneaky stack-based buffer overflow vulnerability that could let attackers waltz in and take control—if only they weren't already outdated! 🔥 Think of this like an old amusement park ride with no safety checks. If a mischievous visitor knows how to bypass the lack of supervision, they can take over the controls, potentially causing chaos! An unauthenticated attacker could exploit this flaw to take complete control of the device—leading to unauthorized access to sensitive settings, or even turning the device into a bot for nefarious purposes. It's like handing over the keys to your house to a stranger without knowing it!

Put simply

Think of this like an old amusement park ride with no safety checks. If a mischievous visitor knows how to bypass the lack of supervision, they can take over the controls, potentially causing chaos! This vulnerability stems from multiple stack-based buffer overflows in the login.xgi user interface, allowing attackers to manipulate parameters and execute arbitrary code without authentication. Essentially, the system trustingly accepts input that can overflow its memory buffer, leading to potential takeover.

What to do

An unauthenticated attacker could exploit this flaw to take complete control of the device—leading to unauthorized access to sensitive settings, or even turning the device into a bot for nefarious purposes. It's like handing over the keys to your house to a stranger without knowing it! To safeguard your network, consider replacing any affected D-Link devices, as they are no longer supported and won't receive critical updates. If replacement isn't immediate, ensure your network is isolated, and monitor it closely for any suspicious activities. 🛡️ You've got this! By taking these precautions, you're one step closer to fortifying your defenses! 🚀

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.40081 · 98.6th percentile
Published
2021-04-07T10:45Z
EPSS history
Timeline
  • 07 APR 10:45Z
    D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device…
    cvelistv5