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ID

VAR-202603-4856


CVE

CVE-2026-4906


TITLE

Shenzhen Tenda Technology Co.,Ltd. of AC5  Multiple vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-009570

DESCRIPTION

A vulnerability was determined in Tenda AC5 15.03.06.47. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflow. The attack can be executed 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-2026-4906 // JVNDB: JVNDB-2026-009570

AFFECTED PRODUCTS

vendor:tendamodel:ac5scope:eqversion:15.03.06.47

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vendor:tendamodel:ac5scope:eqversion: -

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vendor:tendamodel:ac5scope:eqversion:ac5 firmware 15.03.06.47

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vendor:tendamodel:ac5scope: - version: -

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sources: JVNDB: JVNDB-2026-009570 // NVD: CVE-2026-4906

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-4906
value: HIGH

Trust: 1.0

OTHER: JVNDB-2026-009570
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-4906
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-2026-009570
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-2026-4906
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-2026-009570
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-2026-009570 // NVD: CVE-2026-4906

PROBLEMTYPE DATA

problemtype:CWE-119

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problemtype:CWE-787

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problemtype:CWE-121

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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-2026-009570 // NVD: CVE-2026-4906

PATCH

title://vuldb.com/?submit.777394url:https://lavender-bicycle-a5a.notion.site/Tenda_AC5_WizardHandle_PPW-32053a41781f80cab094d750d30dc9a8?source=copy_link

Trust: 0.8

sources: JVNDB: JVNDB-2026-009570

EXTERNAL IDS

db:NVDid:CVE-2026-4906

Trust: 2.6

db:VULDBid:353657

Trust: 1.0

db:JVNDBid:JVNDB-2026-009570

Trust: 0.8

sources: JVNDB: JVNDB-2026-009570 // NVD: CVE-2026-4906

REFERENCES

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

Trust: 1.8

url:https://lavender-bicycle-a5a.notion.site/tenda_ac5_wizardhandle_ppw-32053a41781f80cab094d750d30dc9a8?source=copy_link

Trust: 1.0

url:https://vuldb.com/?id.353657

Trust: 1.0

url:https://vuldb.com/?ctiid.353657

Trust: 1.0

url:https://vuldb.com/?submit.777394

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2026-4906

Trust: 0.8

sources: JVNDB: JVNDB-2026-009570 // NVD: CVE-2026-4906

SOURCES

db:JVNDBid:JVNDB-2026-009570
db:NVDid:CVE-2026-4906

LAST UPDATE DATE

2026-04-03T23:35:30.988000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-009570date:2026-04-02T01:37:00
db:NVDid:CVE-2026-4906date:2026-03-31T20:58:38.367

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-009570date:2026-04-02T00:00:00
db:NVDid:CVE-2026-4906date:2026-03-27T01:16:21.807