CVE-2020-35786

NETGEAR R7800 devices before 1.0.2.74 are affected by a buffer overflow by an authenticated user.

CVSS v3 4.5 MEDIUM
CVSS v2.0 2.7 LOW

4.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.7^/10

CVSS v2.0 : LOW

Vector : AV:A/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 5.1 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://kb.netgear.com/000062718/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R7800-PSV-2020-0218	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-12-30 00:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-35786

Mitre link : CVE-2020-35786

CVE.ORG link : CVE-2020-35786

JSON object : View

Products Affected

netgear

r7800
r7800_firmware

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2020-35786", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.7, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 5.1, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 0.9}, {"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 0.9}]}, "published": "2020-12-30T00:15:13.473", "references": [{"url": "https://kb.netgear.com/000062718/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R7800-PSV-2020-0218", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "NETGEAR R7800 devices before 1.0.2.74 are affected by a buffer overflow by an authenticated user."}, {"lang": "es", "value": "Los dispositivos NETGEAR R7800 versiones anteriores a 1.0.2.74 est\u00e1n afectados por un desbordamiento del b\u00fafer por parte de un usuario autenticado."}], "lastModified": "2020-12-30T20:04:10.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C393DBF4-8281-4611-B591-CDB9DF0AA958", "versionEndExcluding": "1.0.2.74"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "17CF7445-6950-45FE-9D1A-E23F63316329"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}