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ID

VAR-202603-2458


CVE

CVE-2026-4534


TITLE

Shenzhen Tenda Technology Co.,Ltd. of fh451  Multiple vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-010075

DESCRIPTION

A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the argument GO causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used. The exploit has been exposed and may be exploited.All information handled by the software may be leaked to the outside. All information handled by the software may be rewritten. Furthermore, the software may stop working completely. Furthermore, attacks that exploit this vulnerability will not affect other software

Trust: 1.62

sources: NVD: CVE-2026-4534 // JVNDB: JVNDB-2026-010075

AFFECTED PRODUCTS

vendor:tendamodel:fh451scope:eqversion:1.0.0.9

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vendor:tendamodel:fh451scope:eqversion: -

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vendor:tendamodel:fh451scope:eqversion:fh451 firmware 1.0.0.9

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vendor:tendamodel:fh451scope: - version: -

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sources: JVNDB: JVNDB-2026-010075 // NVD: CVE-2026-4534

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-4534
value: HIGH

Trust: 1.0

OTHER: JVNDB-2026-010075
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-4534
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-2026-010075
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

cna@vuldb.com: CVE-2026-4534
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-2026-010075
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: JVNDB: JVNDB-2026-010075 // NVD: CVE-2026-4534

PROBLEMTYPE DATA

problemtype:CWE-121

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problemtype:CWE-119

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

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

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sources: JVNDB: JVNDB-2026-010075 // NVD: CVE-2026-4534

PATCH

title://vuldb.com/?submit.774342url:https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_41/README.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-010075

EXTERNAL IDS

db:NVDid:CVE-2026-4534

Trust: 2.6

db:VULDBid:352322

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db:JVNDBid:JVNDB-2026-010075

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sources: JVNDB: JVNDB-2026-010075 // NVD: CVE-2026-4534

REFERENCES

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

Trust: 1.8

url:https://github.com/litengzheng/vul_db/blob/main/fh451/vul_41/readme.md

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url:https://vuldb.com/?id.352322

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url:https://vuldb.com/?ctiid.352322

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url:https://vuldb.com/?submit.774342

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url:https://nvd.nist.gov/vuln/detail/cve-2026-4534

Trust: 0.8

sources: JVNDB: JVNDB-2026-010075 // NVD: CVE-2026-4534

SOURCES

db:JVNDBid:JVNDB-2026-010075
db:NVDid:CVE-2026-4534

LAST UPDATE DATE

2026-04-06T23:37:39.450000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-010075date:2026-04-06T05:41:00
db:NVDid:CVE-2026-4534date:2026-04-03T17:23:27.113

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-010075date:2026-04-06T00:00:00
db:NVDid:CVE-2026-4534date:2026-03-22T05:16:19.273