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ID

VAR-202108-1325


CVE

CVE-2021-35325


TITLE

TOTOLINK A720R  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2021-009458

DESCRIPTION

A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to cause a denial of service (DOS). TOTOLINK A720R An out-of-bounds write vulnerability exists in the firmware.Denial of service (DoS) It may be put into a state. Totolink A720R is a wireless router from Totolink, Taiwan, China

Trust: 2.25

sources: NVD: CVE-2021-35325 // JVNDB: JVNDB-2021-009458 // CNVD: CNVD-2021-73657 // VULMON: CVE-2021-35325

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-73657

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-2021-73657 // JVNDB: JVNDB-2021-009458 // NVD: CVE-2021-35325

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-35325
value: HIGH

Trust: 1.0

NVD: CVE-2021-35325
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-73657
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202108-533
value: HIGH

Trust: 0.6

VULMON: CVE-2021-35325
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-35325
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-2021-73657
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-2021-35325
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-2021-35325
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-2021-73657 // VULMON: CVE-2021-35325 // JVNDB: JVNDB-2021-009458 // CNNVD: CNNVD-202108-533 // NVD: CVE-2021-35325

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-009458 // NVD: CVE-2021-35325

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-533

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202108-533

PATCH

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-009458

EXTERNAL IDS

db:NVDid:CVE-2021-35325

Trust: 3.9

db:JVNDBid:JVNDB-2021-009458

Trust: 0.8

db:CNVDid:CNVD-2021-73657

Trust: 0.6

db:CNNVDid:CNNVD-202108-533

Trust: 0.6

db:VULMONid:CVE-2021-35325

Trust: 0.1

sources: CNVD: CNVD-2021-73657 // VULMON: CVE-2021-35325 // JVNDB: JVNDB-2021-009458 // CNNVD: CNNVD-202108-533 // NVD: CVE-2021-35325

REFERENCES

url:https://github.com/hurricane618/my_cves/blob/master/router/totolink/a720r_cookie_overflow.md

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-35325

Trust: 2.0

url:https://cwe.mitre.org/data/definitions/787.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-73657 // VULMON: CVE-2021-35325 // JVNDB: JVNDB-2021-009458 // CNNVD: CNNVD-202108-533 // NVD: CVE-2021-35325

SOURCES

db:CNVDid:CNVD-2021-73657
db:VULMONid:CVE-2021-35325
db:JVNDBid:JVNDB-2021-009458
db:CNNVDid:CNNVD-202108-533
db:NVDid:CVE-2021-35325

LAST UPDATE DATE

2024-08-14T14:44:21.808000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-73657date:2021-09-26T00:00:00
db:VULMONid:CVE-2021-35325date:2021-08-12T00:00:00
db:JVNDBid:JVNDB-2021-009458date:2022-04-27T08:01:00
db:CNNVDid:CNNVD-202108-533date:2022-03-24T00:00:00
db:NVDid:CVE-2021-35325date:2021-08-12T18:28:10.380

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-73657date:2021-09-26T00:00:00
db:VULMONid:CVE-2021-35325date:2021-08-05T00:00:00
db:JVNDBid:JVNDB-2021-009458date:2022-04-27T00:00:00
db:CNNVDid:CNNVD-202108-533date:2021-08-05T00:00:00
db:NVDid:CVE-2021-35325date:2021-08-05T21:15:12.510