CVE-2025-6400 HIGH

CVE-2025-6400: TOTOLINK N300RH HTTP POST Message formPortFw buffer overflow

Vendor Totolink
Product N300RH
Weakness CWE-120
Published June 21, 2025
Last update June 23, 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 found in TOTOLINK N300RH 6.1c.1390_B20191101 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formPortFw of the component HTTP POST Message Handler. The manipulation of the argument service_type leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

June 21, 2025 CVE published
June 23, 2025 Record updated