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ID

VAR-202603-5645


CVE

CVE-2026-5156


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2026-009899

DESCRIPTION

A vulnerability was determined in Tenda CH22 1.0.0.1. This impacts the function formQuickIndex of the file /goform/QuickIndex of the component Parameter Handler. This manipulation of the argument mit_linktype causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. 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-2026-5156 // JVNDB: JVNDB-2026-009899

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:ch22 firmware 1.0.0.1

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vendor:tendamodel:ch22scope:eqversion: -

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sources: JVNDB: JVNDB-2026-009899 // NVD: CVE-2026-5156

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-5156
value: HIGH

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OTHER: JVNDB-2026-009899
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-5156
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-2026-009899
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-2026-5156
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-2026-009899
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-2026-009899 // NVD: CVE-2026-5156

PROBLEMTYPE DATA

problemtype:CWE-787

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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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problemtype: Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2026-009899 // NVD: CVE-2026-5156

PATCH

title://vuldb.com/vuln/354188url:https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_46/README.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-009899

EXTERNAL IDS

db:NVDid:CVE-2026-5156

Trust: 2.6

db:JVNDBid:JVNDB-2026-009899

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sources: JVNDB: JVNDB-2026-009899 // NVD: CVE-2026-5156

REFERENCES

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

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url:https://vuldb.com/vuln/354188/cti

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url:https://github.com/litengzheng/vuldb_new/blob/main/ch22/vul_46/readme.md

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url:https://vuldb.com/submit/780208

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url:https://vuldb.com/vuln/354188

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url:https://nvd.nist.gov/vuln/detail/cve-2026-5156

Trust: 0.8

sources: JVNDB: JVNDB-2026-009899 // NVD: CVE-2026-5156

SOURCES

db:JVNDBid:JVNDB-2026-009899
db:NVDid:CVE-2026-5156

LAST UPDATE DATE

2026-04-08T23:57:59.576000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-009899date:2026-04-06T02:55:00
db:NVDid:CVE-2026-5156date:2026-04-02T12:07:05.340

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-009899date:2026-04-06T00:00:00
db:NVDid:CVE-2026-5156date:2026-03-31T00:16:15.303