QID 731144

Date Published: 2024-02-21

QID 731144: Zyxel ATP Firewall OS Command Injection Vulnerability (CVE-2023-28771)

Zyxel Communications Corp. is a manufacturer of DSL and other networking devices.

CVE-2023-28771: Improper error message handling in some firewall versions could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.

Affected Versions:
ATP ZLD V4.60 prior to V5.36

QID Detection Logic (Unauthenticated):
This QID checks for installed vulnerable firmware version by sending GET request to endpoint "ext-js/app/common/zld_product_spec.js".

Successful exploitation of this vulnerability may allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Customer are advised to update the device firmware.
    For more details please refer to Zyxel Security Advisory.
    Vendor References

    CVEs related to QID 731144

    CVE-2023-28771 |
    Software Advisories
    Advisory ID Software Component Link
    Zyxel Security Advisory URL Logo www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].