CVE-2026-7219 HIGH

CVE-2026-7219: Totolink N300RT formIpQoS buffer overflow

Vendor Totolink
Product N300RT
Weakness CWE-120
Published April 28, 2026
Last update April 29, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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 Totolink N300RT 3.4.0-B20250430. This affects an unknown function of the file /boafrm/formIpQoS. Executing a manipulation of the argument entry_name can lead to buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
April 29, 2026 Record updated