CVE-2026-7218 HIGH

CVE-2026-7218: Totolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflow

Vendor Totolink
Product N300RT
Weakness CWE-120
Published April 28, 2026
Last update April 29, 2026
View on NVD All CVEs

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 vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Key dates

02Disclosure timeline

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