Unrated severityNVD Advisory· Published Oct 27, 2025· Updated Oct 27, 2025
TOTOLINK A3300R cstecgi.cgi setDdnsCfg buffer overflow
CVE-2025-12239
Description
A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557_B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be exploited.
Affected products
2- TOTOLINK/A3300Rv5Range: 17.0.0cu.557_B20221024
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDdnsCfg.mdmitreexploit
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.totolink.netmitreproduct
News mentions
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