CVE-2026-9389 | THREATINT

Description

A security vulnerability has been detected in Tenda F456 1.0.0.5. This affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

PUBLISHED Reserved 2026-05-23 | Published 2026-05-24 | Updated 2026-05-24 | 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

Buffer Overflow

Memory Corruption

Product status

1.0.0.5

affected

Timeline

2026-05-23:	Advisory disclosed
2026-05-23:	VulDB entry created
2026-05-23:	VulDB entry last update

Credits

LtzHust (VulDB User) reporter

References

vuldb.com/vuln/365352 (VDB-365352 | Tenda F456 L7Im frmL7ImForm buffer overflow) vdb-entry technical-description

vuldb.com/vuln/365352/cti (VDB-365352 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/813444 (Submit #813444 | tenda F456 v1.0.0.5 Stack-based Buffer Overflow) third-party-advisory

github.com/...zheng/vuldb_new/blob/main/F456/vul_2/README.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-9389)

nvd.nist.gov (CVE-2026-9389)

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