Unrated severityNVD Advisory· Published Mar 7, 2026· Updated Mar 11, 2026
Tenda FH451 AdvSetWan sub_3C434 stack-based overflow
CVE-2026-3678
Description
A vulnerability was determined in Tenda FH451 1.0.0.9. Affected is the function sub_3C434 of the file /goform/AdvSetWan. This manipulation of the argument wanmode/PPPOEPassword causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/Litengzheng/vul_db/blob/main/FH451/vul_62/README.mdmitreexploit
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.tenda.com.cnmitreproduct
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