Sign-up

ID

VAR-202108-1327


CVE

CVE-2021-35327


TITLE

TOTOLINK A720R  Vulnerability regarding lack of authentication in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2021-009460

DESCRIPTION

A vulnerability in TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to start the Telnet service, then login with the default credentials via a crafted POST request. TOTOLINK A720R There is a vulnerability in the firmware regarding the lack of authentication.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Totolink A720R is a wireless router from Totolink, a Taiwanese company. TOTOLINK A720R has a command execution vulnerability, which originates from an improper design or implementation in the code development process of the network system

Trust: 2.25

sources: NVD: CVE-2021-35327 // JVNDB: JVNDB-2021-009460 // CNVD: CNVD-2022-13197 // VULMON: CVE-2021-35327

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-13197

AFFECTED PRODUCTS

vendor:totolinkmodel:a720rscope:eqversion:4.1.5cu.470_b20200911

Trust: 1.0

vendor:totolinkmodel:a720rscope:eqversion:a720r firmware 4.1.5cu.470_b20200911

Trust: 0.8

vendor:totolinkmodel:a720rscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:a720r v4.1.5cu.470 b20200911scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-13197 // JVNDB: JVNDB-2021-009460 // NVD: CVE-2021-35327

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-35327
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-35327
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2022-13197
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202108-535
value: CRITICAL

Trust: 0.6

VULMON: CVE-2021-35327
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-35327
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-13197
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-35327
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: 1.0

NVD: CVE-2021-35327
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-2022-13197 // VULMON: CVE-2021-35327 // JVNDB: JVNDB-2021-009460 // CNNVD: CNNVD-202108-535 // NVD: CVE-2021-35327

PROBLEMTYPE DATA

problemtype:CWE-862

Trust: 1.0

problemtype:Lack of authentication (CWE-862) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-009460 // NVD: CVE-2021-35327

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-535

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202108-535

PATCH

title:Top Pageurl:http://totolink.net/

Trust: 0.8

title:Patch for Totolink A720R Command Execution Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/320906

Trust: 0.6

title:Totolink A720R Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159887

Trust: 0.6

sources: CNVD: CNVD-2022-13197 // JVNDB: JVNDB-2021-009460 // CNNVD: CNNVD-202108-535

EXTERNAL IDS

db:NVDid:CVE-2021-35327

Trust: 3.9

db:JVNDBid:JVNDB-2021-009460

Trust: 0.8

db:CNVDid:CNVD-2022-13197

Trust: 0.6

db:CNNVDid:CNNVD-202108-535

Trust: 0.6

db:VULMONid:CVE-2021-35327

Trust: 0.1

sources: CNVD: CNVD-2022-13197 // VULMON: CVE-2021-35327 // JVNDB: JVNDB-2021-009460 // CNNVD: CNNVD-202108-535 // NVD: CVE-2021-35327

REFERENCES

url:https://github.com/hurricane618/my_cves/blob/master/router/totolink/a720r_default_telnet_info.md

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-35327

Trust: 2.0

url:https://cwe.mitre.org/data/definitions/862.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-13197 // VULMON: CVE-2021-35327 // JVNDB: JVNDB-2021-009460 // CNNVD: CNNVD-202108-535 // NVD: CVE-2021-35327

SOURCES

db:CNVDid:CNVD-2022-13197
db:VULMONid:CVE-2021-35327
db:JVNDBid:JVNDB-2021-009460
db:CNNVDid:CNNVD-202108-535
db:NVDid:CVE-2021-35327

LAST UPDATE DATE

2024-08-14T14:11:15.762000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-13197date:2022-02-22T00:00:00
db:VULMONid:CVE-2021-35327date:2021-08-12T00:00:00
db:JVNDBid:JVNDB-2021-009460date:2022-04-27T08:01:00
db:CNNVDid:CNNVD-202108-535date:2022-03-24T00:00:00
db:NVDid:CVE-2021-35327date:2021-08-12T18:33:42.270

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-13197date:2022-02-18T00:00:00
db:VULMONid:CVE-2021-35327date:2021-08-05T00:00:00
db:JVNDBid:JVNDB-2021-009460date:2022-04-27T00:00:00
db:CNNVDid:CNNVD-202108-535date:2021-08-05T00:00:00
db:NVDid:CVE-2021-35327date:2021-08-05T21:15:12.600