CVE-2022-26642 - Vulnerability Details - OpenCVE

Description

TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter.

Published: 2022-03-28

Score: 7.2 High

EPSS: 1.3% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:tp-link:tl-wr840n_firmware:0.9.1.4.16:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr840n:6.20:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-31196	TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01253.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_X_TP_ClonedMACAddress%3D.pdf

History

No history.

Subscriptions

Tp-link Tl-wr840n Tl-wr840n Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-03-28T22:42:47.000Z

Updated: 2024-08-03T05:11:43.390Z

Reserved: 2022-03-07T00:00:00.000Z

Link: CVE-2022-26642

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-03-28T23:15:07.930

Modified: 2026-06-17T04:35:34.117

Link: CVE-2022-26642

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-03-28T22:42:47.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_X_TP_ClonedMACAddress%3D.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2022-26642", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_X_TP_ClonedMACAddress%3D.pdf", "refsource": "MISC", "url": "https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_X_TP_ClonedMACAddress%3D.pdf"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T05:11:43.390Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_X_TP_ClonedMACAddress%3D.pdf"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-26642", "datePublished": "2022-03-28T22:42:47.000Z", "dateReserved": "2022-03-07T00:00:00.000Z", "dateUpdated": "2024-08-03T05:11:43.390Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tl-wr840n_firmware:0.9.1.4.16:*:*:*:*:*:*:*", "matchCriteriaId": "E493E7C2-2739-4342-AADB-201D1CBFAB79", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tl-wr840n:6.20:*:*:*:*:*:*:*", "matchCriteriaId": "B1CB92AF-1C4E-45EC-B1E6-71046F1E6008", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter."}, {"lang": "es", "value": "Se ha detectado que TP-LINK TL-WR840N(ES) versi\u00f3n V6.20, conten\u00eda un desbordamiento de b\u00fafer por medio del par\u00e1metro X_TP_ClonedMACAddress"}], "id": "CVE-2022-26642", "lastModified": "2026-06-17T04:35:34.117", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-28T23:15:07.930", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_X_TP_ClonedMACAddress%3D.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_X_TP_ClonedMACAddress%3D.pdf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}