VulnerabilityAnalyzed
CVE-2026-3679
A vulnerability was identified in Tenda FH451 1.0.0.9.
HIGH 7.4EPSS 0.59%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 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/M
- EPSS
- 0.59% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121
- Affected
- tenda/f451 firmware
- Source
- cna@vuldb.com
References
- https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_63/README.mdExploit, Issue Tracking
- https://vuldb.com/?ctiid.349581Permissions Required, VDB Entry
- https://vuldb.com/?id.349581Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.765331Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.