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ID

VAR-202507-2336


CVE

CVE-2025-7793


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-009747

DESCRIPTION

A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function formWebTypeLibrary of the file /goform/webtypelibrary. The manipulation of the argument webSiteId leads to stack-based buffer overflow. It is possible to launch the attack 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 parameter webSiteId in the file /goform/webtypelibrary 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-2025-7793 // JVNDB: JVNDB-2025-009747 // CNVD: CNVD-2025-16846

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-16846

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-2025-16846 // JVNDB: JVNDB-2025-009747 // NVD: CVE-2025-7793

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7793
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-009747
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-16846
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7793
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-2025-009747
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-2025-16846
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-2025-7793
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-2025-009747
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-2025-16846 // JVNDB: JVNDB-2025-009747 // NVD: CVE-2025-7793

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-2025-009747 // NVD: CVE-2025-7793

EXTERNAL IDS

db:NVDid:CVE-2025-7793

Trust: 3.2

db:VULDBid:316854

Trust: 1.8

db:JVNDBid:JVNDB-2025-009747

Trust: 0.8

db:CNVDid:CNVD-2025-16846

Trust: 0.6

sources: CNVD: CNVD-2025-16846 // JVNDB: JVNDB-2025-009747 // NVD: CVE-2025-7793

REFERENCES

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

Trust: 1.8

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

Trust: 1.8

url:https://vuldb.com/?id.316854

Trust: 1.8

url:https://vuldb.com/?submit.616317

Trust: 1.8

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

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-7793

Trust: 1.4

url:https://vuldb.com/?ctiid.316854

Trust: 1.0

sources: CNVD: CNVD-2025-16846 // JVNDB: JVNDB-2025-009747 // NVD: CVE-2025-7793

SOURCES

db:CNVDid:CNVD-2025-16846
db:JVNDBid:JVNDB-2025-009747
db:NVDid:CVE-2025-7793

LAST UPDATE DATE

2025-07-28T23:31:41.997000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-16846date:2025-07-25T00:00:00
db:JVNDBid:JVNDB-2025-009747date:2025-07-24T06:50:00
db:NVDid:CVE-2025-7793date:2025-07-23T16:38:49.183

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-16846date:2025-07-25T00:00:00
db:JVNDBid:JVNDB-2025-009747date:2025-07-24T00:00:00
db:NVDid:CVE-2025-7793date:2025-07-18T17:15:45.263