High severity8.8NVD Advisory· Published Oct 27, 2025· Updated Jun 17, 2026
CVE-2025-12258
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:o:totolink:a3300r_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:totolink:a3300r_firmware:*:*:*:*:*:*:*:*range: 17.0.0cu.557_B20221024
- cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setOpModeCfg.mdnvdExploitThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions Required
- www.totolink.netnvdProduct
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