CVE-2025-5902 HIGH

CVE-2025-5902: TOTOLINK T10 POST Request cstecgi.cgi setUpgradeFW buffer overflow

Vendor Totolink
Product T10
Weakness CWE-120
Published June 9, 2025
Last update June 10, 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 T10 4.1.8cu.5207 and classified as critical. This issue affects the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument slaveIpList leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

June 9, 2025 CVE published
June 10, 2025 Record updated