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ID

VAR-202205-1507


CVE

CVE-2022-29640


TITLE

TOTOLINK A3100R setportforwarrules function buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2022-42733

DESCRIPTION

TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setPortForwardRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request. TOTOLINK A3100R is a series of wireless routers from the Chinese company TOTOLINK. A buffer overflow vulnerability exists in the TOTOLINK A3100R setportforwarrules function

Trust: 1.53

sources: NVD: CVE-2022-29640 // CNVD: CNVD-2022-42733 // VULMON: CVE-2022-29640

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-42733

AFFECTED PRODUCTS

vendor:totolinkmodel:a3100rscope:eqversion:4.1.2cu.5247_b20211129

Trust: 1.0

vendor:totolinkmodel:a3100rscope:eqversion:4.1.2cu.5050_b20200504

Trust: 1.0

vendor:totolinkmodel:a3100r v4.1.2cu.5050 b20200504scope: - version: -

Trust: 0.6

vendor:totolinkmodel:a3100r v4.1.2cu.5247 b20211129scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-42733 // NVD: CVE-2022-29640

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2022-29640
value: HIGH

Trust: 1.0

CNVD: CNVD-2022-42733
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202205-3671
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2022-29640
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

CNVD: CNVD-2022-42733
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2022-29640
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

sources: CNVD: CNVD-2022-42733 // CNNVD: CNNVD-202205-3671 // NVD: CVE-2022-29640

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

sources: NVD: CVE-2022-29640

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202205-3671

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202205-3671

PATCH

title:Patch for TOTOLINK A3100R setportforwarrules function buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/334641

Trust: 0.6

title:TOTOLINK A3100R Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=194455

Trust: 0.6

sources: CNVD: CNVD-2022-42733 // CNNVD: CNNVD-202205-3671

EXTERNAL IDS

db:NVDid:CVE-2022-29640

Trust: 2.3

db:CNVDid:CNVD-2022-42733

Trust: 0.6

db:CNNVDid:CNNVD-202205-3671

Trust: 0.6

db:VULMONid:CVE-2022-29640

Trust: 0.1

sources: CNVD: CNVD-2022-42733 // VULMON: CVE-2022-29640 // CNNVD: CNNVD-202205-3671 // NVD: CVE-2022-29640

REFERENCES

url:https://github.com/shijin0925/iot/blob/master/totolink%20a3100r/3.md

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2022-29640

Trust: 0.6

url:https://cxsecurity.com/cveshow/cve-2022-29640/

Trust: 0.6

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-42733 // VULMON: CVE-2022-29640 // CNNVD: CNNVD-202205-3671 // NVD: CVE-2022-29640

SOURCES

db:CNVDid:CNVD-2022-42733
db:VULMONid:CVE-2022-29640
db:CNNVDid:CNNVD-202205-3671
db:NVDid:CVE-2022-29640

LAST UPDATE DATE

2024-11-23T23:07:20.782000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-42733date:2022-06-01T00:00:00
db:VULMONid:CVE-2022-29640date:2022-05-18T00:00:00
db:CNNVDid:CNNVD-202205-3671date:2022-05-31T00:00:00
db:NVDid:CVE-2022-29640date:2024-11-21T06:59:28.663

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-42733date:2022-06-01T00:00:00
db:VULMONid:CVE-2022-29640date:2022-05-18T00:00:00
db:CNNVDid:CNNVD-202205-3671date:2022-05-18T00:00:00
db:NVDid:CVE-2022-29640date:2022-05-18T12:15:08.287