CVE-2021-26797

An access control vulnerability in Hame SD1 Wi-Fi firmware <=V.20140224154640 allows an attacker to get system administrator through an open Telnet service

published April 26, 2021

CVSS
—
EPSS
1%
Percentile
71.4
In the wild
Unconfirmed
What it is

⚠️ There’s an open Telnet service just waiting to be exploited! This access control vulnerability in Hame SD1 Wi-Fi firmware leaves the door wide open for attackers to gain admin access. 🔥 Think of it like a hotel where the front desk accidentally gives everyone the master key, allowing anyone to unlock any room without authorization. It’s a security disaster just waiting to happen! An attacker could stroll in and take full control of the router, altering settings, monitoring traffic, or even leveraging it for further attacks. This means your personal data could be at risk, and your network could be used for malicious activities without your knowledge!

Put simply

Think of it like a hotel where the front desk accidentally gives everyone the master key, allowing anyone to unlock any room without authorization. It’s a security disaster just waiting to happen! The vulnerability arises from an open Telnet service in Hame SD1 Wi-Fi firmware versions up to 20140224154640, allowing unauthorized users to gain system administrator privileges without proper authentication.

What to do

An attacker could stroll in and take full control of the router, altering settings, monitoring traffic, or even leveraging it for further attacks. This means your personal data could be at risk, and your network could be used for malicious activities without your knowledge! To secure your devices, immediately disable the Telnet service if it's enabled, and consider updating the firmware to a more recent version if available. Regularly review your network settings and access controls to ensure they are properly configured. You've got this! By taking these simple steps, you'll be well on your way to securing your network! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01355 · 71.4th percentile
Published
2021-04-26T11:20Z
EPSS history
Timeline
  • 26 APR 11:20Z
    An access control vulnerability in Hame SD1 Wi-Fi firmware <=V.20140224154640 allows an attacker to get system administrator through an open Telnet service
    cvelistv5