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ID

VAR-202604-0266


CVE

CVE-2026-5609


TITLE

Shenzhen Tenda Technology Co.,Ltd. of I12  Multiple vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-013823

DESCRIPTION

A flaw has been found in Tenda i12 1.0.0.11(3862). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component Parameter Handler. This manipulation of the argument index/wl_radio causes stack-based buffer overflow. It is possible to initiate the attack 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-2026-5609 // JVNDB: JVNDB-2026-013823

AFFECTED PRODUCTS

vendor:tendamodel:i12scope:eqversion:1.0.0.11\(3862\)

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vendor:tendamodel:i12scope:eqversion: -

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vendor:tendamodel:i12scope:eqversion:i12 firmware 1.0.0.11¥(3862¥)

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vendor:tendamodel:i12scope: - version: -

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sources: JVNDB: JVNDB-2026-013823 // NVD: CVE-2026-5609

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-5609
value: HIGH

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OTHER: JVNDB-2026-013823
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-5609
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-2026-013823
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-2026-5609
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-2026-013823
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-2026-013823 // NVD: CVE-2026-5609

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-2026-013823 // NVD: CVE-2026-5609

PATCH

title://vuldb.com/vuln/355400url:https://github.com/Litengzheng/vuldb_new/blob/main/i12/vul_107/README.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-013823

EXTERNAL IDS

db:NVDid:CVE-2026-5609

Trust: 2.6

db:JVNDBid:JVNDB-2026-013823

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sources: JVNDB: JVNDB-2026-013823 // NVD: CVE-2026-5609

REFERENCES

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

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url:https://vuldb.com/submit/785337

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url:https://github.com/litengzheng/vuldb_new/blob/main/i12/vul_107/readme.md

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url:https://vuldb.com/vuln/355400/cti

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url:https://vuldb.com/vuln/355400

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url:https://nvd.nist.gov/vuln/detail/cve-2026-5609

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sources: JVNDB: JVNDB-2026-013823 // NVD: CVE-2026-5609

SOURCES

db:JVNDBid:JVNDB-2026-013823
db:NVDid:CVE-2026-5609

LAST UPDATE DATE

2026-06-19T23:06:49.249000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-013823date:2026-05-01T01:44:00
db:NVDid:CVE-2026-5609date:2026-04-30T13:39:50.703

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-013823date:2026-05-01T00:00:00
db:NVDid:CVE-2026-5609date:2026-04-06T02:16:00.670