Sign-up

ID

VAR-202205-1942


CVE

CVE-2022-29402


TITLE

TP-LINK TL-WR840N Access Control Error Vulnerability

Trust: 1.2

sources: CNVD: CNVD-2022-50633 // CNNVD: CNNVD-202205-4125

DESCRIPTION

TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication. TP-LINK TL-WR840N is a wireless router from China Pulian (TP-LINK) company

Trust: 1.53

sources: NVD: CVE-2022-29402 // CNVD: CNVD-2022-50633 // VULMON: CVE-2022-29402

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-50633

AFFECTED PRODUCTS

vendor:tp linkmodel:tl-wr840nscope:eqversion: -

Trust: 1.0

vendor:tp linkmodel:tp-link tl-wr840nscope:eqversion:v6.20

Trust: 0.6

sources: CNVD: CNVD-2022-50633 // NVD: CVE-2022-29402

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2022-29402
value: MEDIUM

Trust: 1.0

cve@mitre.org: CVE-2022-29402
value: MEDIUM

Trust: 1.0

CNVD: CNVD-2022-50633
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202205-4125
value: MEDIUM

Trust: 0.6

VULMON: CVE-2022-29402
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2022-29402
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

CNVD: CNVD-2022-50633
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2022-29402
baseSeverity: MEDIUM
baseScore: 6.8
vectorString: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: PHYSICAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 0.9
impactScore: 5.9
version: 3.1

Trust: 2.0

sources: CNVD: CNVD-2022-50633 // VULMON: CVE-2022-29402 // CNNVD: CNNVD-202205-4125 // NVD: CVE-2022-29402 // NVD: CVE-2022-29402

PROBLEMTYPE DATA

problemtype:CWE-306

Trust: 1.0

sources: NVD: CVE-2022-29402

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-202205-4125

EXTERNAL IDS

db:NVDid:CVE-2022-29402

Trust: 2.3

db:CNVDid:CNVD-2022-50633

Trust: 0.6

db:CS-HELPid:SB2022052710

Trust: 0.6

db:CNNVDid:CNNVD-202205-4125

Trust: 0.6

db:VULMONid:CVE-2022-29402

Trust: 0.1

sources: CNVD: CNVD-2022-50633 // VULMON: CVE-2022-29402 // CNNVD: CNNVD-202205-4125 // NVD: CVE-2022-29402

REFERENCES

url:https://k4m1ll0.com/cve-tplink-tlwr840n-uart-shell.html

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2022-29402

Trust: 0.6

url:https://cxsecurity.com/cveshow/cve-2022-29402/

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2022052710

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/306.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-50633 // VULMON: CVE-2022-29402 // CNNVD: CNNVD-202205-4125 // NVD: CVE-2022-29402

SOURCES

db:CNVDid:CNVD-2022-50633
db:VULMONid:CVE-2022-29402
db:CNNVDid:CNNVD-202205-4125
db:NVDid:CVE-2022-29402

LAST UPDATE DATE

2024-11-23T23:10:52.755000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-50633date:2022-07-11T00:00:00
db:VULMONid:CVE-2022-29402date:2022-06-07T00:00:00
db:CNNVDid:CNNVD-202205-4125date:2022-06-08T00:00:00
db:NVDid:CVE-2022-29402date:2024-11-21T06:59:00.853

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-50633date:2022-07-10T00:00:00
db:VULMONid:CVE-2022-29402date:2022-05-25T00:00:00
db:CNNVDid:CNNVD-202205-4125date:2022-05-25T00:00:00
db:NVDid:CVE-2022-29402date:2022-05-25T18:15:08.570