CVE-2025-12240

8.8

HIGHCVSS v3.1 Base Score

0.58%

LOW RiskEPSS (69th percentile)

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: 10/27/2025

Modified: 10/27/2025

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Vulnerability Summary

CVSS v3 Score

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score (Exploitation Probability)

0.58%LOW Exploitation Risk

69th percentile

This vulnerability has a 0.58% probability of being exploited in the next 30 days, ranking higher than 69% of all scored CVEs.

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