CVE-2021-40521 Code injection in n/a

Critical 9.8 Published 10 Nov 2021 Updated 4 Aug 2024

Remote attackers can execute arbitrary code on Airangel HSMX Gateway devices, compromising the network infrastructure.

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-2021-40521?

CVE-2021-40521 is a critical code injection vulnerability in n/a, published on 10 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Airangel HSMX Gateway devices through 5.2.04 allow Remote Code Execution.

Which versions are affected by CVE-2021-40521?

It affects 5 products.

Products include Airangel Hsmx-App-1000 Firmware, Airangel Hsmx-App-100 Firmware, Airangel Hsmx-App-20000 Firmware, Airangel Hsmx-App-25 Firmware, Airangel Hsmx-App-5000 Firmware.

How do I fix CVE-2021-40521?

No fix has been published for CVE-2021-40521 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-40521 being exploited?

There is no known exploitation of CVE-2021-40521 in the wild and no public exploit code.

Sources

Also known as GHSA-fw83-hp96-3f54.