CVE-2021-27156 Hardcoded credentials in n/a

Critical 9.8 Published Updated

Attackers can derive ISP credentials from the MAC address to gain unauthorized access to FiberHome HG6245D router web interfaces.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-27156?

CVE-2021-27156 is a critical vulnerability in n/a, published on 10 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains credentials for an ISP that equal the last part of the MAC address of the br0 interface.

Weakness: CWE-798

Which versions are affected by CVE-2021-27156?

It affects 1 product.

Products include Fiberhome Hg6245d Firmware.

How do I fix CVE-2021-27156?

No fix has been published for CVE-2021-27156 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27156 being exploited?

There is no known exploitation of CVE-2021-27156 in the wild and no public exploit code.

Sources

Also known as GHSA-4h45-9hf5-qr48.

Is CVE-2021-27156 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free