CVE-2025-8833 HIGH

CVE-2025-8833: Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 langSwitchBack stack-based overflow

Vendor Linksys
Product RE6250
Weakness CWE-121
Published August 11, 2025
Last update August 11, 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 was identified in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. This issue affects the function langSwitchBack of the file /goform/langSwitchBack. The manipulation of the argument langSelectionOnly leads to stack-based buffer overflow. The attack may be initiated 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 11, 2025 CVE published
August 11, 2025 Record updated