CVE-2018-21123

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects WC7500 before 6.5.3.9, WC7520 before 6.5.3.9, WC7600v1 before 6.5.3.9, and WC7600v2 before 6.5.3.9.

CVSS v3.0 8.8 HIGH
CVSS v2.0 5.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.5 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://kb.netgear.com/000060235/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Wireless-Controllers-PSV-2018-0230	Vendor Advisory

Advertisement

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:wc7500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wc7500:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netgear:wc7520_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wc7520:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:netgear:wc7600_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wc7600:v1:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:netgear:wc7600_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wc7600:v2:*:*:*:*:*:*:*

Information

Published : 2020-04-22 09:15

Updated : 2020-04-24 13:13

NVD link : CVE-2018-21123

Mitre link : CVE-2018-21123

JSON object : View

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Advertisement

Products Affected

netgear

wc7500_firmware
wc7500
wc7600
wc7520
wc7520_firmware
wc7600_firmware

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://kb.netgear.com/000060235/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Wireless-Controllers-PSV-2018-0230", "name": "https://kb.netgear.com/000060235/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Wireless-Controllers-PSV-2018-0230", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects WC7500 before 6.5.3.9, WC7520 before 6.5.3.9, WC7600v1 before 6.5.3.9, and WC7600v2 before 6.5.3.9."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-74"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-21123", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.8, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}}, "publishedDate": "2020-04-22T16:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:wc7500_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.5.3.9"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:wc7500:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:wc7520_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.5.3.9"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:wc7520:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:wc7600_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.5.3.9"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:wc7600:v1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:wc7600_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.5.3.9"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:wc7600:v2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-04-24T20:13Z"}