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ID

VAR-202603-5651


CVE

CVE-2026-5155


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2026-009900

DESCRIPTION

A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component Parameter Handler. The manipulation of the argument wanmode results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could 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-2026-5155 // JVNDB: JVNDB-2026-009900

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-2026-009900 // NVD: CVE-2026-5155

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-5155
value: HIGH

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OTHER: JVNDB-2026-009900
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-5155
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-2026-009900
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-2026-5155
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-2026-009900
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-2026-009900 // NVD: CVE-2026-5155

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-2026-009900 // NVD: CVE-2026-5155

PATCH

title://vuldb.com/vuln/354187url:https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_47/README.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-009900

EXTERNAL IDS

db:NVDid:CVE-2026-5155

Trust: 2.6

db:JVNDBid:JVNDB-2026-009900

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sources: JVNDB: JVNDB-2026-009900 // NVD: CVE-2026-5155

REFERENCES

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

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url:https://vuldb.com/vuln/354187/cti

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url:https://github.com/litengzheng/vuldb_new/blob/main/ch22/vul_47/readme.md

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url:https://vuldb.com/vuln/354187

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url:https://vuldb.com/submit/780207

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url:https://nvd.nist.gov/vuln/detail/cve-2026-5155

Trust: 0.8

sources: JVNDB: JVNDB-2026-009900 // NVD: CVE-2026-5155

SOURCES

db:JVNDBid:JVNDB-2026-009900
db:NVDid:CVE-2026-5155

LAST UPDATE DATE

2026-04-08T23:57:59.973000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-009900date:2026-04-06T02:55:00
db:NVDid:CVE-2026-5155date:2026-04-02T12:08:50.130

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-009900date:2026-04-06T00:00:00
db:NVDid:CVE-2026-5155date:2026-03-30T23:17:05.123