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ID

VAR-202101-1832


CVE

CVE-2021-3166


TITLE

ASUS DSL-N14U-B1  Unlimited Upload Vulnerability in File Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-002782

DESCRIPTION

An issue was discovered on ASUS DSL-N14U-B1 1.1.2.3_805 devices. An attacker can upload arbitrary file content as a firmware update when the filename Settings_DSL-N14U-B1.trx is used. Once this file is loaded, shutdown measures on a wide range of services are triggered as if it were a real update, resulting in a persistent outage of those services. ASUS DSL-N14U-B1 Is vulnerable to an unlimited upload of dangerous types of files.Denial of service (DoS) It may be put into a state. ASUS DSL-N14U-B1 is a router device from China ASUS (ASUS)

Trust: 2.25

sources: NVD: CVE-2021-3166 // JVNDB: JVNDB-2021-002782 // CNVD: CNVD-2022-04718 // VULMON: CVE-2021-3166

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-04718

AFFECTED PRODUCTS

vendor:asusmodel:dsl-n14u b1scope:eqversion:1.1.2.3_805

Trust: 1.0

vendor:asustek computermodel:dsl-n14u-b1scope:eqversion:dsl-n14u-b1 firmware 1.1.2.3_805

Trust: 0.8

vendor:asustek computermodel:dsl-n14u-b1scope:eqversion: -

Trust: 0.8

vendor:asusmodel:dsl-n14u-b1 1.1.2.3 805scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-04718 // JVNDB: JVNDB-2021-002782 // NVD: CVE-2021-3166

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-3166
value: HIGH

Trust: 1.0

NVD: CVE-2021-3166
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-04718
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202101-1321
value: HIGH

Trust: 0.6

VULMON: CVE-2021-3166
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-3166
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-04718
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-3166
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-3166
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-04718 // VULMON: CVE-2021-3166 // JVNDB: JVNDB-2021-002782 // CNNVD: CNNVD-202101-1321 // NVD: CVE-2021-3166

PROBLEMTYPE DATA

problemtype:CWE-434

Trust: 1.0

problemtype:Unlimited upload of dangerous types of files (CWE-434) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-002782 // NVD: CVE-2021-3166

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202101-1321

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202101-1321

PATCH

title:top pageurl:https://www.asus.com/

Trust: 0.8

sources: JVNDB: JVNDB-2021-002782

EXTERNAL IDS

db:NVDid:CVE-2021-3166

Trust: 3.1

db:JVNDBid:JVNDB-2021-002782

Trust: 0.8

db:CNVDid:CNVD-2022-04718

Trust: 0.6

db:CNNVDid:CNNVD-202101-1321

Trust: 0.6

db:VULMONid:CVE-2021-3166

Trust: 0.1

sources: CNVD: CNVD-2022-04718 // VULMON: CVE-2021-3166 // JVNDB: JVNDB-2021-002782 // CNNVD: CNNVD-202101-1321 // NVD: CVE-2021-3166

REFERENCES

url:https://github.com/kaisersource/kaisersource.github.io/blob/main/_posts/2021-01-17-dsl-n14u.md

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-3166

Trust: 2.0

url:https://kaisersource.github.io/dsl-n14u

Trust: 1.7

url:https://cwe.mitre.org/data/definitions/434.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-04718 // VULMON: CVE-2021-3166 // JVNDB: JVNDB-2021-002782 // CNNVD: CNNVD-202101-1321 // NVD: CVE-2021-3166

SOURCES

db:CNVDid:CNVD-2022-04718
db:VULMONid:CVE-2021-3166
db:JVNDBid:JVNDB-2021-002782
db:CNNVDid:CNNVD-202101-1321
db:NVDid:CVE-2021-3166

LAST UPDATE DATE

2024-11-23T22:51:07.838000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-04718date:2022-01-18T00:00:00
db:VULMONid:CVE-2021-3166date:2021-01-27T00:00:00
db:JVNDBid:JVNDB-2021-002782date:2021-10-01T06:12:00
db:CNNVDid:CNNVD-202101-1321date:2021-02-01T00:00:00
db:NVDid:CVE-2021-3166date:2024-11-21T06:21:02.730

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-04718date:2022-01-18T00:00:00
db:VULMONid:CVE-2021-3166date:2021-01-18T00:00:00
db:JVNDBid:JVNDB-2021-002782date:2021-10-01T00:00:00
db:CNNVDid:CNNVD-202101-1321date:2021-01-18T00:00:00
db:NVDid:CVE-2021-3166date:2021-01-18T05:15:12.527