CVE-2022-25217

{"containers": {"cna": {"affected": [{"product": "Phicomm Routers", "vendor": "n/a", "versions": [{"status": "affected", "version": "K2 22.5.9.163, K3 21.5.37.246, K3C 32.1.15.93 -- 32.1.26.175, K3C 33.1.25.177, K2P 20.4.1.7, K2 A7 22.6.506.28"}]}], "descriptions": [{"lang": "en", "value": "Use of a hard-coded cryptographic key pair by the telnetd_startup service allows an attacker on the local area network to obtain a root shell on the device over telnet. The builds of telnetd_startup included in the version 22.5.9.163 of the K2 firmware, and version 32.1.15.93 of the K3C firmware (possibly amongst many other releases) included both the private and public RSA keys. The remaining versions cited here redacted the private key, but left the public key unchanged. An attacker in possession of the leaked private key may, through a scripted exchange of UDP packets, instruct telnetd_startup to spawn an unauthenticated telnet shell as root, by means of which they can then obtain complete control of the device. A consequence of the limited availablility of firmware images for testing is that models and versions not listed here may share this vulnerability."}], "problemTypes": [{"descriptions": [{"description": "Use of a hard-coded cryptographic key", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-03-07T21:49:05.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.tenable.com/security/research/tra-2022-01"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2022-25217", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Phicomm Routers", "version": {"version_data": [{"version_value": "K2 22.5.9.163, K3 21.5.37.246, K3C 32.1.15.93 -- 32.1.26.175, K3C 33.1.25.177, K2P 20.4.1.7, K2 A7 22.6.506.28"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Use of a hard-coded cryptographic key pair by the telnetd_startup service allows an attacker on the local area network to obtain a root shell on the device over telnet. The builds of telnetd_startup included in the version 22.5.9.163 of the K2 firmware, and version 32.1.15.93 of the K3C firmware (possibly amongst many other releases) included both the private and public RSA keys. The remaining versions cited here redacted the private key, but left the public key unchanged. An attacker in possession of the leaked private key may, through a scripted exchange of UDP packets, instruct telnetd_startup to spawn an unauthenticated telnet shell as root, by means of which they can then obtain complete control of the device. A consequence of the limited availablility of firmware images for testing is that models and versions not listed here may share this vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Use of a hard-coded cryptographic key"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2022-01", "refsource": "MISC", "url": "https://www.tenable.com/security/research/tra-2022-01"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T04:36:06.305Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2022-01"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2022-25217", "datePublished": "2022-03-07T21:49:05.000Z", "dateReserved": "2022-02-15T00:00:00.000Z", "dateUpdated": "2024-08-03T04:36:06.305Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Phicomm Routers", "vendor": "n/a", "versions": [{"status": "affected", "version": "K2 22.5.9.163, K3 21.5.37.246, K3C 32.1.15.93 -- 32.1.26.175, K3C 33.1.25.177, K2P 20.4.1.7, K2 A7 22.6.506.28"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phicomm:k2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "66980EB4-9FEC-451F-93F1-3E275CD6A462", "versionEndIncluding": "22.5.9.163", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phicomm:k2:-:*:*:*:*:*:*:*", "matchCriteriaId": "26A205A0-3616-4CD9-A7B8-FEA63742ABE9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:phicomm:k3c_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3319332E-25E6-4148-9A57-15FCF51C0413", "versionEndIncluding": "32.1.15.93", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:phicomm:k3c:-:*:*:*:*:*:*:*", "matchCriteriaId": "4D47C172-F2F6-451F-8891-D150DBBA181C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Use of a hard-coded cryptographic key pair by the telnetd_startup service allows an attacker on the local area network to obtain a root shell on the device over telnet. The builds of telnetd_startup included in the version 22.5.9.163 of the K2 firmware, and version 32.1.15.93 of the K3C firmware (possibly amongst many other releases) included both the private and public RSA keys. The remaining versions cited here redacted the private key, but left the public key unchanged. An attacker in possession of the leaked private key may, through a scripted exchange of UDP packets, instruct telnetd_startup to spawn an unauthenticated telnet shell as root, by means of which they can then obtain complete control of the device. A consequence of the limited availablility of firmware images for testing is that models and versions not listed here may share this vulnerability."}, {"lang": "es", "value": "El uso de un par de claves criptogr\u00e1ficas embebidas por el servicio telnetd_startup permite a un atacante en la red de \u00e1rea local obtener un shell de root en el dispositivo a trav\u00e9s de telnet. Las compilaciones de telnetd_startup incluidas en versi\u00f3n 22.5.9.163 del firmware K2, y la versi\u00f3n 32.1.15.93 del firmware K3C (posiblemente entre muchas otras versiones) inclu\u00edan tanto las claves RSA privadas como las p\u00fablicas. El resto de las versiones citadas aqu\u00ed redactaron la clave privada, pero dejaron la clave p\u00fablica sin cambios. Un atacante en posesi\u00f3n de la clave privada filtrada puede, mediante un intercambio de paquetes UDP con guion, instruir a telnetd_startup para que genere un shell telnet no autenticado como root, mediante el cual puede obtener el control completo del dispositivo. Una consecuencia de la limitada disponibilidad de im\u00e1genes de firmware para las pruebas es que los modelos y las versiones que no figuran en esta lista pueden compartir esta vulnerabilidad"}], "id": "CVE-2022-25217", "lastModified": "2026-06-17T04:33:13.420", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-10T17:47:01.810", "references": [{"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2022-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2022-01"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-798"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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