CVE-2025-9246 HIGH

CVE-2025-9246: Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 check_port_conflict stack-based overflow

Vendor Linksys
Product RE6250
Weakness CWE-121
Published August 20, 2025
Last update August 20, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. Impacted is the function check_port_conflict of the file /goform/check_port_conflict. Executing manipulation of the argument single_port_rule/port_range_rule can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

August 20, 2025 CVE published
August 20, 2025 Record updated