IRONSMITHINTEL
HIGHCVSS8.8
|
Actively Exploited
|CISA KEV|CVE-2023-49897|Auth: low — authenticated user|Reboot: required|Manual only

FXC AE1021, AE1021PE OS Command Injection Vulnerability

FXC AE1021 and AE1021PE contain an OS command injection vulnerability that allows authenticated users to execute commands via a network.

Published Dec 6, 2023 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, with a low-privilege account, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2024-01-11 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a OS Command Injection (CWE-78) vulnerability in FXC AE1021, AE1021PE. 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. Exploitation requires remote network access, low attack complexity, a low-privilege authenticated account, and no user interaction required.

Am I affected?Quick check

Probably yes if any of these apply:

IT Security
Running ae1021 firmware: v < 2.0.10; ae1021pe firmware: v < 2.0.10
Real-world incidentsWhat we've seen

Active exploitation documented in the wild. Threat-research write-up: https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

References

    1
    Vendor advisory: https://www.fxc.jp/news/20231206
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2023-49897
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-49897
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