CVE-2021-27156

An issue was discovered on FiberHome HG6245D devices through RP2613

published February 10, 2021

CVSS
—
EPSS
15%
Percentile
96.7
In the wild
Unconfirmed
What it is

⚠️ A hidden gem of a vulnerability in FiberHome devices could let anyone peek at some sensitive credentials without breaking a sweat! 🔍 Think of it like a restaurant that mistakenly prints the chef's secret recipe on the menu itself — anyone can access it, just by looking at the right spot! 🍽️ If an attacker knows where to look, they could easily uncover ISP credentials tied to the MAC address of the device. This could potentially lead to unauthorized access or manipulation of network services, making it a sneaky threat that could be exploited by the wrong hands!

Put simply

Think of it like a restaurant that mistakenly prints the chef's secret recipe on the menu itself — anyone can access it, just by looking at the right spot! 🍽️ The FiberHome HG6245D devices expose ISP credentials within the web daemon, with these credentials being derived from the last part of the MAC address of the br0 interface. This creates a pathway for attackers to harvest sensitive information without needing any special access.

What to do

If an attacker knows where to look, they could easily uncover ISP credentials tied to the MAC address of the device. This could potentially lead to unauthorized access or manipulation of network services, making it a sneaky threat that could be exploited by the wrong hands! To mitigate this risk, it’s essential to update the firmware of the FiberHome HG6245D to the latest version available. Additionally, consider changing the default settings and monitoring device logs for any unusual activities. 🔄 You've got this! By taking these steps, you’ll secure your devices and keep the cyber villains at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.15031 · 96.7th percentile
Published
2021-02-10T18:38Z
EPSS history
Timeline
  • 10 FEB 18:38Z
    An issue was discovered on FiberHome HG6245D devices through RP2613
    cvelistv5