Advisory Details

December 12th, 2023

Extreme Networks AP410C ah_webui Missing Authentication for Critical Function Remote Code Execution Vulnerability

ZDI-23-1766
ZDI-CAN-20530

CVE ID CVE-2023-46271
CVSS SCORE 8.8, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Extreme Networks
AFFECTED PRODUCTS AP410C
VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to reach critical functions on affected installations of Extreme Networks AP410C routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the ah_webui service, which listens on TCP port 3009 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code within the context of root.

ADDITIONAL DETAILS Extreme Networks has issued an update to correct this vulnerability. More details can be found at:
https://extreme-networks.my.site.com/ExtrArticleDetail?an=000115354&q=CVE-2023-46271
DISCLOSURE TIMELINE
  • 2023-07-06 - Vulnerability reported to vendor
  • 2023-12-12 - Coordinated public release of advisory
CREDIT Victorien Molle - Biche Télécom
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