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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Tenda F456 affected
Version Status Constraints
1.0.0.5 affected —

No data.

No data.

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Vendors Products
Tenda Subscribe
F456 Subscribe

Project Subscriptions

Vendors Products
Tenda Subscribe
F456 Subscribe
F456 Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_2/README.md cve-icon
https://vuldb.com/submit/813444 cve-icon
https://vuldb.com/vuln/365352 cve-icon
https://vuldb.com/vuln/365352/cti cve-icon
https://www.tenda.com.cn/ cve-icon
History

Sun, 24 May 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Tenda f456
Vendors & Products Tenda f456

Sun, 24 May 2026 15:00:00 +0000

Type Values Removed Values Added
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.
Title Tenda F456 L7Im frmL7ImForm buffer overflow
First Time appeared Tenda
Tenda f456 Firmware
Weaknesses CWE-119
CWE-120
CPEs cpe:2.3:o:tenda:f456_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda f456 Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS: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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-24T14:45:09.119Z

Reserved: 2026-05-23T15:04:09.855Z

Link: CVE-2026-9389

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-24T18:15:04Z

Weaknesses