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ID

VAR-202212-2624


CVE

CVE-2022-47121


TITLE

Tenda A15  Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2022-003815

DESCRIPTION

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey parameter at /goform/WifiBasicSet. Tenda A15 Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Tenda A15 is a WiFi extender from Chinese company Tenda. The vulnerability stems from the fact that the wepkey parameter of /goform/WifiBasicSet lacks a length check on the input data. Attackers can use this vulnerability to execute arbitrary code on the system

Trust: 2.16

sources: NVD: CVE-2022-47121 // JVNDB: JVNDB-2022-003815 // CNVD: CNVD-2023-02256

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2023-02256

AFFECTED PRODUCTS

vendor:tendamodel:a15scope:eqversion:15.13.07.13

Trust: 1.0

vendor:tendamodel:a15scope:eqversion: -

Trust: 0.8

vendor:tendamodel:a15scope:eqversion:a15 firmware 15.13.07.13

Trust: 0.8

vendor:tendamodel:a15scope:eqversion:v15.13.07.13

Trust: 0.6

sources: CNVD: CNVD-2023-02256 // JVNDB: JVNDB-2022-003815 // NVD: CVE-2022-47121

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2022-47121
value: CRITICAL

Trust: 1.0

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2022-47121
value: CRITICAL

Trust: 1.0

NVD: CVE-2022-47121
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2023-02256
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202212-4150
value: CRITICAL

Trust: 0.6

CNVD: CNVD-2023-02256
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2022-47121
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 2.0

NVD: CVE-2022-47121
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2023-02256 // JVNDB: JVNDB-2022-003815 // CNNVD: CNNVD-202212-4150 // NVD: CVE-2022-47121 // NVD: CVE-2022-47121

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2022-003815 // NVD: CVE-2022-47121

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202212-4150

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202212-4150

PATCH

title:Top Pageurl:https://www.tenda.com.cn/default.html

Trust: 0.8

sources: JVNDB: JVNDB-2022-003815

EXTERNAL IDS

db:NVDid:CVE-2022-47121

Trust: 3.9

db:JVNDBid:JVNDB-2022-003815

Trust: 0.8

db:CNVDid:CNVD-2023-02256

Trust: 0.6

db:CNNVDid:CNNVD-202212-4150

Trust: 0.6

db:VULMONid:CVE-2022-47121

Trust: 0.1

sources: CNVD: CNVD-2023-02256 // VULMON: CVE-2022-47121 // JVNDB: JVNDB-2022-003815 // CNNVD: CNNVD-202212-4150 // NVD: CVE-2022-47121

REFERENCES

url:https://brief-nymphea-813.notion.site/vul6-a15-bof-wifibasicset-wepkey-fdbf83ad4d4e49e9aea43285cc9b5979

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2022-47121

Trust: 0.8

url:https://cxsecurity.com/cveshow/cve-2022-47121/

Trust: 0.6

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2023-02256 // VULMON: CVE-2022-47121 // JVNDB: JVNDB-2022-003815 // CNNVD: CNNVD-202212-4150 // NVD: CVE-2022-47121

SOURCES

db:CNVDid:CNVD-2023-02256
db:VULMONid:CVE-2022-47121
db:JVNDBid:JVNDB-2022-003815
db:CNNVDid:CNNVD-202212-4150
db:NVDid:CVE-2022-47121

LAST UPDATE DATE

2025-04-11T23:03:48.184000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2023-02256date:2023-01-11T00:00:00
db:VULMONid:CVE-2022-47121date:2022-12-30T00:00:00
db:JVNDBid:JVNDB-2022-003815date:2023-03-09T02:54:00
db:CNNVDid:CNNVD-202212-4150date:2023-01-06T00:00:00
db:NVDid:CVE-2022-47121date:2025-04-11T15:15:42.753

SOURCES RELEASE DATE

db:CNVDid:CNVD-2023-02256date:2023-01-12T00:00:00
db:VULMONid:CVE-2022-47121date:2022-12-30T00:00:00
db:JVNDBid:JVNDB-2022-003815date:2023-03-09T00:00:00
db:CNNVDid:CNNVD-202212-4150date:2022-12-30T00:00:00
db:NVDid:CVE-2022-47121date:2022-12-30T21:15:11.463