CVE-2023-49897 FXC AE1021, AE1021PE OS Command Injection

Exploited in the wild High 8.8 Published 6 Dec 2023 Updated 21 Oct 2025

Authenticated attackers can execute arbitrary OS commands on AE1021 devices due to improper input validation in the firmware.

Exploited in the wild: Since 21 Dec 2023
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-49897?

CVE-2023-49897 is a high-severity command injection vulnerability in FXC Inc. AE1021, published on 6 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An OS command injection vulnerability exists in AE1021PE firmware version 2.0.9 and earlier and AE1021 firmware version 2.0.9 and earlier. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

Weakness: CWE-78

Which versions are affected by CVE-2023-49897?

It affects 2 products.

Products include Fxc Ae1021 Firmware, Fxc Ae1021pe Firmware.

How do I fix CVE-2023-49897?

No fix has been published for CVE-2023-49897 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 11 Jan 2024.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-49897 being exploited?

Yes. Attackers have exploited CVE-2023-49897 in the wild since at least 21 Dec 2023.

CVE-2018-0679 Cross-site scripting in multiple FXC Inc. network devices (Managed Ethernet switch FXC5210/5218/5224 firmware prior to version Ver1.00.22, Managed Ethernet switch FXC5426F firmware prior to version Ver1.00.06, Managed Ethernet switch FXC5428 firmware prior to version Ver1.00.07, Power over Ethernet (PoE) switch FXC5210PE/5218PE/5224PE firmware prior to version Ver1.00.14, and Wireless LAN router AE1021/AE1021PE firmware all versions) Medium 4.8

Sources

Also known as GHSA-x3f3-j7qh-9wgj.