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ID

VAR-202604-1257


CVE

CVE-2026-5604


TITLE

Shenzhen Tenda Technology Co.,Ltd. of ch22  Multiple vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-014306

DESCRIPTION

A security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formCertLocalPrecreate of the file /goform/CertLocalPrecreate of the component Parameter Handler. Performing a manipulation of the argument standard results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The affected part is the component. Code that exploits this vulnerability has been made public and could be used to carry out attacks.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

Trust: 1.62

sources: NVD: CVE-2026-5604 // JVNDB: JVNDB-2026-014306

AFFECTED PRODUCTS

vendor:tendamodel:ch22scope:eqversion:1.0.0.1

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vendor:tendamodel:ch22scope: - version: -

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vendor:tendamodel:ch22scope:eqversion: -

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vendor:tendamodel:ch22scope:eqversion:ch22 firmware 1.0.0.1

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sources: JVNDB: JVNDB-2026-014306 // NVD: CVE-2026-5604

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-5604
value: HIGH

Trust: 1.0

OTHER: JVNDB-2026-014306
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-5604
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-2026-014306
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-2026-5604
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-2026-014306
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-2026-014306 // NVD: CVE-2026-5604

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-2026-014306 // NVD: CVE-2026-5604

PATCH

title://vuldb.com/vuln/355396url:https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_52/README.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-014306

EXTERNAL IDS

db:NVDid:CVE-2026-5604

Trust: 2.6

db:JVNDBid:JVNDB-2026-014306

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sources: JVNDB: JVNDB-2026-014306 // NVD: CVE-2026-5604

REFERENCES

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

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url:https://vuldb.com/submit/785032

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url:https://github.com/litengzheng/vuldb_new/blob/main/ch22/vul_52/readme.md

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url:https://vuldb.com/vuln/355396

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url:https://vuldb.com/vuln/355396/cti

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url:https://nvd.nist.gov/vuln/detail/cve-2026-5604

Trust: 0.8

sources: JVNDB: JVNDB-2026-014306 // NVD: CVE-2026-5604

SOURCES

db:JVNDBid:JVNDB-2026-014306
db:NVDid:CVE-2026-5604

LAST UPDATE DATE

2026-06-19T23:40:14.112000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-014306date:2026-05-07T03:28:00
db:NVDid:CVE-2026-5604date:2026-04-30T20:45:38.660

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-014306date:2026-05-07T00:00:00
db:NVDid:CVE-2026-5604date:2026-04-05T23:16:20.593