CVE-2026-3679

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.

CVSS v4.0

7.4 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

0.59% chance of exploitation in the next 30 days, 46th percentile

Published

2026-03-07

Updated

2026-03-11

Proof-of-concept exploits (1)

• Litengzheng/vul_db/blob/main/FH451/vul_63/README.md

References

• CVE Record
• NVD entry

Related

• CVE-2026-3678
• CVE-2026-3680
• CVE-2026-3677
• CVE-2026-3681
• CVE-2026-3675
• CVE-2026-3682