Advisory Details

August 4th, 2023

Extreme Networks AP410C Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2023-35803
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 execute arbitrary code on affected installations of Extreme Networks AP410C routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ah_acsd service, which listens on TCP port 5916 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS	Extreme Networks has issued an update to correct this vulnerability. More details can be found at: https://extremeportal.force.com/ExtrArticleDetail?an=000112742
DISCLOSURE TIMELINE	2023-07-06 - Vulnerability reported to vendor 2023-08-04 - Coordinated public release of advisory
CREDIT	Victorien Molle - Biche T\xc3\xa9l\xc3\xa9com

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