CVE-2025-9247 HIGH

CVE-2025-9247: Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setVlan stack-based overflow

Vendor Linksys
Product RE6250
Weakness CWE-121
Published August 20, 2025
Last update August 21, 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 vulnerability 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. The affected element is the function setVlan of the file /goform/setVlan. The manipulation of the argument vlan_set leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public 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 21, 2025 Record updated