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ID

VAR-202507-0546


CVE

CVE-2025-7434


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-009251

DESCRIPTION

A vulnerability was found in Tenda FH451 up to 1.0.0.9 and classified as critical. Affected by this issue is the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be launched 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 failure of the file/goform/addressNat parameter page to correctly verify the length of the input data. Remote 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-2025-7434 // JVNDB: JVNDB-2025-009251 // CNVD: CNVD-2025-16964

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-16964

AFFECTED PRODUCTS

vendor:tendamodel:fh451scope:lteversion:1.0.0.9

Trust: 1.0

vendor:tendamodel:fh451scope:lteversion:fh451 firmware 1.0.0.9 and earlier

Trust: 0.8

vendor:tendamodel:fh451scope: - version: -

Trust: 0.8

vendor:tendamodel:fh451scope:eqversion: -

Trust: 0.8

vendor:tendamodel:fh451scope:lteversion:<=1.0.0.9

Trust: 0.6

sources: CNVD: CNVD-2025-16964 // JVNDB: JVNDB-2025-009251 // NVD: CVE-2025-7434

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7434
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-009251
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-16964
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7434
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-2025-009251
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-2025-16964
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-2025-7434
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-2025-009251
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-2025-16964 // JVNDB: JVNDB-2025-009251 // NVD: CVE-2025-7434

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-2025-009251 // NVD: CVE-2025-7434

EXTERNAL IDS

db:NVDid:CVE-2025-7434

Trust: 3.2

db:VULDBid:316004

Trust: 1.8

db:JVNDBid:JVNDB-2025-009251

Trust: 0.8

db:CNVDid:CNVD-2025-16964

Trust: 0.6

sources: CNVD: CNVD-2025-16964 // JVNDB: JVNDB-2025-009251 // NVD: CVE-2025-7434

REFERENCES

url:https://github.com/zezhifu1/cve_report/blob/main/fh451/fromaddressnat.md

Trust: 1.8

url:https://github.com/zezhifu1/cve_report/blob/main/fh451/fromaddressnat.md#payload

Trust: 1.8

url:https://vuldb.com/?id.316004

Trust: 1.8

url:https://vuldb.com/?submit.609058

Trust: 1.8

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

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-7434

Trust: 1.4

url:https://vuldb.com/?ctiid.316004

Trust: 1.0

sources: CNVD: CNVD-2025-16964 // JVNDB: JVNDB-2025-009251 // NVD: CVE-2025-7434

SOURCES

db:CNVDid:CNVD-2025-16964
db:JVNDBid:JVNDB-2025-009251
db:NVDid:CVE-2025-7434

LAST UPDATE DATE

2025-07-29T23:22:33.187000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-16964date:2025-07-28T00:00:00
db:JVNDBid:JVNDB-2025-009251date:2025-07-18T05:02:00
db:NVDid:CVE-2025-7434date:2025-07-16T16:43:09.483

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-16964date:2025-07-25T00:00:00
db:JVNDBid:JVNDB-2025-009251date:2025-07-18T00:00:00
db:NVDid:CVE-2025-7434date:2025-07-11T02:15:23.640