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ID

VAR-202012-1185


CVE

CVE-2020-35786


TITLE

NETGEAR R7800  Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2020-014978

DESCRIPTION

NETGEAR R7800 devices before 1.0.2.74 are affected by a buffer overflow by an authenticated user. NETGEAR R7800 is an AC2600 dual-band Gigabit wireless router. No detailed vulnerability details are currently provided

Trust: 2.16

sources: NVD: CVE-2020-35786 // JVNDB: JVNDB-2020-014978 // CNVD: CNVD-2020-75521

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2020-75521

AFFECTED PRODUCTS

vendor:netgearmodel:r7800scope:ltversion:1.0.2.74

Trust: 1.6

vendor:ネットギアmodel:r7800scope:eqversion: -

Trust: 0.8

vendor:ネットギアmodel:r7800scope:eqversion:r7800 firmware 1.0.2.74

Trust: 0.8

sources: CNVD: CNVD-2020-75521 // JVNDB: JVNDB-2020-014978 // NVD: CVE-2020-35786

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-35786
value: MEDIUM

Trust: 1.0

cve@mitre.org: CVE-2020-35786
value: MEDIUM

Trust: 1.0

NVD: CVE-2020-35786
value: MEDIUM

Trust: 0.8

CNVD: CNVD-2020-75521
value: LOW

Trust: 0.6

CNNVD: CNNVD-202012-1790
value: MEDIUM

Trust: 0.6

nvd@nist.gov: CVE-2020-35786
severity: LOW
baseScore: 2.7
vectorString: AV:A/AC:L/AU:S/C:N/I:N/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 5.1
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2020-75521
severity: LOW
baseScore: 2.7
vectorString: AV:A/AC:L/AU:S/C:N/I:N/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 5.1
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2020-35786
baseSeverity: MEDIUM
baseScore: 4.5
vectorString: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 0.9
impactScore: 3.6
version: 3.1

Trust: 2.0

OTHER: JVNDB-2020-014978
baseSeverity: MEDIUM
baseScore: 4.5
vectorString: CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
attackVector: ADJACENT NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2020-75521 // JVNDB: JVNDB-2020-014978 // CNNVD: CNNVD-202012-1790 // NVD: CVE-2020-35786 // NVD: CVE-2020-35786

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2020-014978 // NVD: CVE-2020-35786

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202012-1790

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202012-1790

PATCH

title:Security Advisory for Post-Authentication Buffer Overflow on R7800, PSV-2020-0218url:https://kb.netgear.com/000062718/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R7800-PSV-2020-0218

Trust: 0.8

title:Patch for NETGEAR R7800 buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/242986

Trust: 0.6

title:NETGEAR R7800 devices Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=138159

Trust: 0.6

sources: CNVD: CNVD-2020-75521 // JVNDB: JVNDB-2020-014978 // CNNVD: CNNVD-202012-1790

EXTERNAL IDS

db:NVDid:CVE-2020-35786

Trust: 3.0

db:JVNDBid:JVNDB-2020-014978

Trust: 0.8

db:CNVDid:CNVD-2020-75521

Trust: 0.6

db:CNNVDid:CNNVD-202012-1790

Trust: 0.6

sources: CNVD: CNVD-2020-75521 // JVNDB: JVNDB-2020-014978 // CNNVD: CNNVD-202012-1790 // NVD: CVE-2020-35786

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2020-35786

Trust: 2.0

url:https://kb.netgear.com/000062718/security-advisory-for-post-authentication-buffer-overflow-on-r7800-psv-2020-0218

Trust: 1.6

sources: CNVD: CNVD-2020-75521 // JVNDB: JVNDB-2020-014978 // CNNVD: CNNVD-202012-1790 // NVD: CVE-2020-35786

SOURCES

db:CNVDid:CNVD-2020-75521
db:JVNDBid:JVNDB-2020-014978
db:CNNVDid:CNNVD-202012-1790
db:NVDid:CVE-2020-35786

LAST UPDATE DATE

2024-11-23T23:04:08.572000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2020-75521date:2020-12-31T00:00:00
db:JVNDBid:JVNDB-2020-014978date:2021-09-07T06:17:00
db:CNNVDid:CNNVD-202012-1790date:2021-01-05T00:00:00
db:NVDid:CVE-2020-35786date:2024-11-21T05:28:05.630

SOURCES RELEASE DATE

db:CNVDid:CNVD-2020-75521date:2020-12-31T00:00:00
db:JVNDBid:JVNDB-2020-014978date:2021-09-07T00:00:00
db:CNNVDid:CNNVD-202012-1790date:2020-12-29T00:00:00
db:NVDid:CVE-2020-35786date:2020-12-30T00:15:13.473