High severity8.8NVD Advisory· Published Oct 27, 2025· Updated Jun 17, 2026
CVE-2025-12259
CVE-2025-12259
Description
A flaw has been found in TOTOLINK A3300R 17.0.0cu.557_B20221024. The affected element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. This manipulation of the argument recHour causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.
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/setScheduleCfg.mdnvdExploitThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
- www.totolink.netnvdProduct
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