Advisory Details

May 17th, 2023

(Pwn2Own) Synology RT6600ax dhcpd Command Injection Remote Code Execution Vulnerability

CVE ID	CVE-2023-32955
CVSS SCORE	7.5, AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Synology
AFFECTED PRODUCTS	RT6600ax
VULNERABILITY DETAILS	This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology RT6600ax routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhcpd binary. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS	Synology has issued an update to correct this vulnerability. More details can be found at: https://www.synology.com/en-global/security/advisory/Synology_SA_22_25
DISCLOSURE TIMELINE	2023-01-24 - Vulnerability reported to vendor 2023-05-17 - Coordinated public release of advisory
CREDIT	Gaurav Baruah (@_gauravb_)

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