Unrated severityNVD Advisory· Published Oct 27, 2025· Updated Feb 24, 2026
TOTOLINK A3300R POST Parameter cstecgi.cg setOpModeCfg stack-based overflow
CVE-2025-12258
Description
A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. Impacted is the function setOpModeCfg of the file /cgi-bin/cstecgi.cg of the component POST Parameter Handler. The manipulation of the argument opmode results in stack-based buffer overflow. The attack may be performed from remote.
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Affected products
2- cpe:2.3:o:totolink:a3300r_firmware:*:*:*:*:*:*:*:*Range: 17.0.0cu.557_B20221024
Patches
Vulnerability mechanics
References
5- vuldb.commitrethird-party-advisory
- github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setOpModeCfg.mdmitrerelated
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.totolink.netmitreproduct
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