CVE-2022-4873 - Vulnerability Details - OpenCVE

On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Netcommwireless	Nf20 Nf20 Firmware Nf20mesh Nf20mesh Firmware Nl1902 Nl1902 Firmware

Configuration 1 [-]

AND

cpe:2.3:o:netcommwireless:nf20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netcommwireless:nf20:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:netcommwireless:nf20mesh_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netcommwireless:nf20mesh:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:netcommwireless:nl1902_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netcommwireless:nl1902:-:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md

History

Wed, 09 Apr 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2023-01-11T20:39:53.548Z

Updated: 2025-04-09T14:10:34.217Z

Reserved: 2023-01-04T14:15:10.778Z

Link: CVE-2022-4873

Vulnrichment

Updated: 2024-08-03T01:55:45.319Z

NVD

Status : Modified

Published: 2023-01-11T21:15:10.307

Modified: 2025-04-09T15:15:55.457

Link: CVE-2022-4873

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-4873", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2023-01-04T14:15:10.778Z", "datePublished": "2023-01-11T20:39:53.548Z", "dateUpdated": "2025-04-09T14:10:34.217Z"}, "containers": {"cna": {"title": "Stack based overflow on Netcomm router models NF20MESH, NF20, and NL1902", "descriptions": [{"lang": "en", "value": "On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Netcomm", "product": "NF20", "versions": [{"status": "affected", "version": "R6B025"}]}, {"vendor": "Netcomm", "product": "NF20MESH", "versions": [{"status": "affected", "version": "R6B025"}]}, {"vendor": "Netcomm", "product": "NL1902", "versions": [{"status": "affected", "version": "R6B025"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "references": [{"url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md"}], "x_generator": {"engine": "VINCE 2.0.5", "env": "prod", "origin": "https://cveawg.mitre.org/api//cve/CVE-2022-4873"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2023-01-11T20:39:53.548Z"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T01:55:45.319Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md", "tags": ["x_transferred"]}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/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"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-09T14:10:05.519246Z", "id": "CVE-2022-4873", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-09T14:10:34.217Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T01:55:45.319Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-4873", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-04-09T14:10:05.519246Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-09T14:10:22.715Z"}}], "cna": {"title": "Stack based overflow on Netcomm router models NF20MESH, NF20, and NL1902", "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Netcomm", "product": "NF20", "versions": [{"status": "affected", "version": "R6B025"}]}, {"vendor": "Netcomm", "product": "NF20MESH", "versions": [{"status": "affected", "version": "R6B025"}]}, {"vendor": "Netcomm", "product": "NL1902", "versions": [{"status": "affected", "version": "R6B025"}]}], "references": [{"url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md"}], "x_generator": {"env": "prod", "engine": "VINCE 2.0.5", "origin": "https://cveawg.mitre.org/api//cve/CVE-2022-4873"}, "descriptions": [{"lang": "en", "value": "On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2023-01-11T20:39:53.548Z"}}}, "cveMetadata": {"cveId": "CVE-2022-4873", "state": "PUBLISHED", "dateUpdated": "2025-04-09T14:10:34.217Z", "dateReserved": "2023-01-04T14:15:10.778Z", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "datePublished": "2023-01-11T20:39:53.548Z", "assignerShortName": "certcc"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netcommwireless:nf20_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "447DAC30-D02D-43A7-9C11-9B29D3AE6292", "versionEndExcluding": "r6b025", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netcommwireless:nf20:-:*:*:*:*:*:*:*", "matchCriteriaId": "C9BF282B-6B02-492D-A248-80D6C5DD0B50", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netcommwireless:nf20mesh_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "492B3CE0-A18A-4D6E-A20F-5CD00D8FC234", "versionEndExcluding": "r6b025", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netcommwireless:nf20mesh:-:*:*:*:*:*:*:*", "matchCriteriaId": "79CF62CC-4353-4090-8D85-5F8126A029EB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netcommwireless:nl1902_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "131C4DCD-D115-40AE-A53D-2C3B4799CBD5", "versionEndExcluding": "r6b025", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netcommwireless:nl1902:-:*:*:*:*:*:*:*", "matchCriteriaId": "B02578F1-96D9-4A0C-A27E-F08518A7CA55", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location."}, {"lang": "es", "value": "En los modelos de router Netcomm NF20MESH, NF20 y NL1902, un desbordamiento del b\u00fafer basado en pila afecta el par\u00e1metro sessionKey. Al proporcionar una cantidad espec\u00edfica de bytes, el puntero de instrucci\u00f3n puede sobrescribirse en la pila y bloquear la aplicaci\u00f3n en una ubicaci\u00f3n conocida."}], "id": "CVE-2022-4873", "lastModified": "2025-04-09T15:15:55.457", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-01-11T21:15:10.307", "references": [{"source": "cret@cert.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}