CVE-2025-12240

published 2025-10-27

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…

high 7.4 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 CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
totolink	a3300r	—	—
totolink	a3300r_firmware	—	—

CWE-119 CWE-120