CVE-2022-46637

Prolink router PRS1841 was discovered to contain hardcoded credentials for its Telnet and FTP services.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://0xsp.com/security%20research%20%20development%20srd/backdoor-discovered-in-pldt-home-fiber-routers/	Exploit Third Party Advisory
https://packetstormsecurity.com/files/170342/ProLink-PRS1841-Backdoor-Account.html	Third Party Advisory VDB Entry
https://prolink2u.com/product/prs1841/	Product Vendor Advisory
https://0xsp.com/security%20research%20%20development%20srd/backdoor-discovered-in-pldt-home-fiber-routers/	Exploit Third Party Advisory
https://packetstormsecurity.com/files/170342/ProLink-PRS1841-Backdoor-Account.html	Third Party Advisory VDB Entry
https://prolink2u.com/product/prs1841/	Product Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:prolink2u:prs1841_firmware:u_v2:*:*:*:*:*:*:*

cpe:2.3:h:prolink2u:prs1841:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-02-21 21:15

Updated : 2025-03-14 19:15

NVD link : CVE-2022-46637

Mitre link : CVE-2022-46637

CVE.ORG link : CVE-2022-46637

JSON object : View

Products Affected

prolink2u

prs1841
prs1841_firmware

CWE

CWE-798

Use of Hard-coded Credentials

{"id": "CVE-2022-46637", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2023-02-21T21:15:10.890", "references": [{"url": "https://0xsp.com/security%20research%20%20development%20srd/backdoor-discovered-in-pldt-home-fiber-routers/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://packetstormsecurity.com/files/170342/ProLink-PRS1841-Backdoor-Account.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://prolink2u.com/product/prs1841/", "tags": ["Product", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://0xsp.com/security%20research%20%20development%20srd/backdoor-discovered-in-pldt-home-fiber-routers/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://packetstormsecurity.com/files/170342/ProLink-PRS1841-Backdoor-Account.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://prolink2u.com/product/prs1841/", "tags": ["Product", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-798"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-798"}]}], "descriptions": [{"lang": "en", "value": "Prolink router PRS1841 was discovered to contain hardcoded credentials for its Telnet and FTP services."}], "lastModified": "2025-03-14T19:15:40.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:prolink2u:prs1841_firmware:u_v2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4619BB07-919A-49C5-88A5-F641B2EB0E2B"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:prolink2u:prs1841:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5D14AB15-4791-4468-B321-124CFC6139A3"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}