High severity8.8NVD Advisory· Published Mar 7, 2026· Updated Jun 17, 2026
CVE-2026-3678
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:o:tenda:fh451_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:tenda:fh451_firmware:*:*:*:*:*:*:*:*range: 1.0.0.9
- cpe:2.3:o:tenda:fh451_firmware:1.0.0.9:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- github.com/Litengzheng/vul_db/blob/main/FH451/vul_62/README.mdnvdExploitIssue Tracking
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
- www.tenda.com.cnnvdProduct
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