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

Zyxel Security Advisory - www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls

CVEs related to QID 731144

CVE-2023-28771 |

Software Advisories

Advisory ID	Software	Component	Link
Zyxel Security Advisory			www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls

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