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ID

VAR-202507-2363


CVE

CVE-2025-7806


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  fh451  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-009756

DESCRIPTION

A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. This vulnerability affects the function fromSafeClientFilter of the file /goform/SafeClientFilter. The manipulation of the argument Go/page leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Shenzhen Tenda Technology Co.,Ltd. of fh451 The firmware contains a buffer error vulnerability and a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The vulnerability is caused by the parameter Go/page in the file/goform/SafeClientFilter failing to correctly verify the length of the input data. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service attack

Trust: 2.16

sources: NVD: CVE-2025-7806 // JVNDB: JVNDB-2025-009756 // CNVD: CNVD-2025-16843

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-16843

AFFECTED PRODUCTS

vendor:tendamodel:fh451scope:eqversion:1.0.0.9

Trust: 1.6

vendor:tendamodel:fh451scope:eqversion:fh451 firmware 1.0.0.9

Trust: 0.8

vendor:tendamodel:fh451scope:eqversion: -

Trust: 0.8

vendor:tendamodel:fh451scope: - version: -

Trust: 0.8

sources: CNVD: CNVD-2025-16843 // JVNDB: JVNDB-2025-009756 // NVD: CVE-2025-7806

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7806
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-009756
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-16843
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7806
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2025-009756
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2025-16843
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2025-7806
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

OTHER: JVNDB-2025-009756
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-16843 // JVNDB: JVNDB-2025-009756 // NVD: CVE-2025-7806

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-121

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

problemtype: Stack-based buffer overflow (CWE-121) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-009756 // NVD: CVE-2025-7806

EXTERNAL IDS

db:NVDid:CVE-2025-7806

Trust: 3.2

db:VULDBid:316882

Trust: 1.8

db:JVNDBid:JVNDB-2025-009756

Trust: 0.8

db:CNVDid:CNVD-2025-16843

Trust: 0.6

sources: CNVD: CNVD-2025-16843 // JVNDB: JVNDB-2025-009756 // NVD: CVE-2025-7806

REFERENCES

url:https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromsafeclientfilter_go.md

Trust: 1.8

url:https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromsafeclientfilter_page.md

Trust: 1.8

url:https://vuldb.com/?id.316882

Trust: 1.8

url:https://vuldb.com/?submit.616348

Trust: 1.8

url:https://vuldb.com/?submit.616349

Trust: 1.8

url:https://www.tenda.com.cn/

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-7806

Trust: 1.4

url:https://vuldb.com/?ctiid.316882

Trust: 1.0

sources: CNVD: CNVD-2025-16843 // JVNDB: JVNDB-2025-009756 // NVD: CVE-2025-7806

SOURCES

db:CNVDid:CNVD-2025-16843
db:JVNDBid:JVNDB-2025-009756
db:NVDid:CVE-2025-7806

LAST UPDATE DATE

2025-07-28T23:28:25.033000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-16843date:2025-07-25T00:00:00
db:JVNDBid:JVNDB-2025-009756date:2025-07-24T06:58:00
db:NVDid:CVE-2025-7806date:2025-07-23T16:40:12.283

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-16843date:2025-07-25T00:00:00
db:JVNDBid:JVNDB-2025-009756date:2025-07-24T00:00:00
db:NVDid:CVE-2025-7806date:2025-07-18T21:15:25.153