{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5040", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-03-27T16:26:49.615Z", "datePublished": "2026-07-14T18:00:32.162Z", "dateUpdated": "2026-07-14T18:00:32.162Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-07-14T18:00:32.162Z"}, "title": "Weak Password Hashing Mechanism in TP-Link Deco M5", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-916", "description": "CWE-916 Use of Password Hash With Insufficient Computational Effort", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-55", "descriptions": [{"lang": "en", "value": "CAPEC-55 Rainbow Table Password Cracking"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "Deco M5 Deco M5 V1", "versions": [{"status": "affected", "version": "0", "lessThan": "1.9.4 Build 20260312 Rel.17129", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "TP-Link Deco M5 v1 uses a weak password hashing mechanism to store user credentials. An attacker who obtains the password hash through system compromise or privileged access could perform brute-force or dictionary attacks.\n\nSuccessful exploitation may result in disclosure of authentication credentials, enabling unauthorized access to device management functions, depending on the privileges associated with the recovered password. The primary security impact is loss of confidentiality.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "TP-Link Deco M5 v1 uses a weak password hashing mechanism to store user credentials. An attacker who obtains the password hash through system compromise or privileged access could perform brute-force or dictionary attacks.\n<br>Successful exploitation may result in disclosure of authentication credentials, enabling unauthorized access to device management functions, depending on the privileges associated with the recovered password. The primary security impact is loss of confidentiality.&nbsp;<br><div><br></div>"}]}], "references": [{"url": "https://www.tp-link.com/us/support/download/deco-m5/v1/#Firmware"}, {"url": "https://www.tp-link.com/en/support/download/deco-m5/v1/#Firmware"}, {"url": "https://www.tp-link.com/us/support/faq/5190/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

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