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ID

VAR-202408-0375


CVE

CVE-2024-42520


TITLE

TOTOLINK  of  A3002R  Classic buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2024-005480

DESCRIPTION

TOTOLINK A3002R v4.0.0-B20230531.1404 contains a buffer overflow vulnerability in /bin/boa via formParentControl. TOTOLINK of A3002R Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A3002R is a wireless dual-band Gigabit router produced by China's TOTOLINK Electronics that complies with the latest IEEE802.11ac Wave 2 standard. The vulnerability is caused by the failure of formParentControl to properly verify the length of input data in /bin/boa. Remote attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service attack

Trust: 2.16

sources: NVD: CVE-2024-42520 // JVNDB: JVNDB-2024-005480 // CNVD: CNVD-2024-35649

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2024-35649

AFFECTED PRODUCTS

vendor:totolinkmodel:a3002rscope:eqversion:4.0.0-b20230531.1404

Trust: 1.0

vendor:totolinkmodel:a3002rscope: - version: -

Trust: 0.8

vendor:totolinkmodel:a3002rscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:a3002rscope:eqversion:a3002r firmware 4.0.0-b20230531.1404

Trust: 0.8

vendor:totolinkmodel:a3002r v4.0.0-b20230531.1404scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2024-35649 // JVNDB: JVNDB-2024-005480 // NVD: CVE-2024-42520

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2024-42520
value: CRITICAL

Trust: 1.0

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2024-42520
value: CRITICAL

Trust: 1.0

NVD: CVE-2024-42520
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2024-35649
value: HIGH

Trust: 0.6

CNVD: CNVD-2024-35649
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2024-42520
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: 2.0

NVD: CVE-2024-42520
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-2024-35649 // JVNDB: JVNDB-2024-005480 // NVD: CVE-2024-42520 // NVD: CVE-2024-42520

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:Classic buffer overflow (CWE-120) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2024-005480 // NVD: CVE-2024-42520

EXTERNAL IDS

db:NVDid:CVE-2024-42520

Trust: 3.2

db:JVNDBid:JVNDB-2024-005480

Trust: 0.8

db:CNVDid:CNVD-2024-35649

Trust: 0.6

sources: CNVD: CNVD-2024-35649 // JVNDB: JVNDB-2024-005480 // NVD: CVE-2024-42520

REFERENCES

url:https://github.com/c10uds/totolink_a3002r_stackoverflow

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2024-42520

Trust: 1.4

sources: CNVD: CNVD-2024-35649 // JVNDB: JVNDB-2024-005480 // NVD: CVE-2024-42520

SOURCES

db:CNVDid:CNVD-2024-35649
db:JVNDBid:JVNDB-2024-005480
db:NVDid:CVE-2024-42520

LAST UPDATE DATE

2024-08-18T22:16:34.627000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2024-35649date:2024-08-16T00:00:00
db:JVNDBid:JVNDB-2024-005480date:2024-08-16T03:08:00
db:NVDid:CVE-2024-42520date:2024-08-13T15:35:16.110

SOURCES RELEASE DATE

db:CNVDid:CNVD-2024-35649date:2024-08-16T00:00:00
db:JVNDBid:JVNDB-2024-005480date:2024-08-16T00:00:00
db:NVDid:CVE-2024-42520date:2024-08-12T15:15:21.770