Vulnerability Database

309,130

Total vulnerabilities in the database

CVE-2025-12240

A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

  • Published: Oct 27, 2025
  • Updated: Nov 4, 2025
  • CVE: CVE-2025-12240
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 9
  • AV:N/AC:L/Au:S/C:C/I:C/A:C

CWEs:

Software From Fixed in
totolink / a3300r_firmware 17.0.0cu.557_b20221024 17.0.0cu.557_b20221024.x