CVE-2026-3679 | THREATINT

Description

A vulnerability was identified in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex. Such manipulation of the argument mit_linktype/PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

PUBLISHED Reserved 2026-03-06 | Published 2026-03-07 | Updated 2026-03-07 | Assigner VulDB

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.0.0.9

affected

Timeline

2026-03-06:	Advisory disclosed
2026-03-06:	VulDB entry created
2026-03-06:	VulDB entry last update

Credits

LtzHuster (VulDB User) reporter

References

vuldb.com/?id.349581 (VDB-349581 | Tenda FH451 QuickIndex formQuickIndex stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.349581 (VDB-349581 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.765331 (Submit #765331 | Tenda FH451 V1.0.0.9 Stack-based Buffer Overflow) third-party-advisory

github.com/...gzheng/vul_db/blob/main/FH451/vul_63/README.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-3679)

nvd.nist.gov (CVE-2026-3679)

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