CVE-2025-7882

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-7882", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2025-07-19T07:43:56.441Z", "datePublished": "2025-07-20T10:14:04.904Z", "dateUpdated": "2025-07-21T14:37:15.937Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-07-20T10:14:04.904Z"}, "title": "Mercusys MW301R Login excessive authentication", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-307", "lang": "en", "description": "Improper Restriction of Excessive Authentication Attempts"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-799", "lang": "en", "description": "Improper Control of Interaction Frequency"}]}], "affected": [{"vendor": "Mercusys", "product": "MW301R", "versions": [{"version": "1.0.2 Build 190726 Rel.59423n", "status": "affected"}], "modules": ["Login"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Mercusys MW301R 1.0.2 Build 190726 Rel.59423n. It has been rated as problematic. This issue affects some unknown processing of the component Login. The manipulation leads to improper restriction of excessive authentication attempts. The attack can only be initiated within the local network. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "de", "value": "Eine Schwachstelle wurde in Mercusys MW301R 1.0.2 Build 190726 Rel.59423n ausgemacht. Sie wurde als problematisch eingestuft. Dies betrifft einen unbekannten Teil der Komponente Login. Durch Beeinflussen mit unbekannten Daten kann eine improper restriction of excessive authentication attempts-Schwachstelle ausgenutzt werden. Der Angriff kann im lokalen Netzwerk passieren. Die Komplexit\u00e4t eines Angriffs ist eher hoch. Die Ausnutzbarkeit gilt als schwierig. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 2.3, "vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P", "baseSeverity": "LOW"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 3.1, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R", "baseSeverity": "LOW"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 3.1, "vectorString": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R", "baseSeverity": "LOW"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 1.8, "vectorString": "AV:A/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2025-07-19T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2025-07-19T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2025-07-19T09:49:03.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "RaulPACXXX (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.316997", "name": "VDB-316997 | Mercusys MW301R Login excessive authentication", "tags": ["vdb-entry"]}, {"url": "https://vuldb.com/?ctiid.316997", "name": "VDB-316997 | CTI Indicators (IOB, IOC, TTP)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.611431", "name": "Submit #611431 | Mercusys Router MW301R 1.0.2 Build 190726 Rel.59423n (4252) 7PK Security Features / Brute Force via IP Cycling", "tags": ["third-party-advisory"]}, {"url": "https://github.com/RaulPazemecxas/PoCVulDb/blob/main/README21.md", "tags": ["broken-link", "exploit"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-07-21T14:37:09.267325Z", "id": "CVE-2025-7882", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-07-21T14:37:15.937Z"}}]}}

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{"affected": [{"affectedData": [{"modules": ["Login"], "product": "MW301R", "vendor": "Mercusys", "versions": [{"status": "affected", "version": "1.0.2 Build 190726 Rel.59423n"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Mercusys MW301R 1.0.2 Build 190726 Rel.59423n. It has been rated as problematic. This issue affects some unknown processing of the component Login. The manipulation leads to improper restriction of excessive authentication attempts. The attack can only be initiated within the local network. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Mercusys MW301R 1.0.2 Build 190726 Rel.59423n. Se ha clasificado como problem\u00e1tica. Este problema afecta a un procesamiento desconocido del componente \"Login\". La manipulaci\u00f3n provoca una restricci\u00f3n indebida de un exceso de intentos de autenticaci\u00f3n. El ataque solo puede iniciarse dentro de la red local. Es un ataque de complejidad bastante alta. Parece dif\u00edcil de explotar. Se ha hecho p\u00fablico el exploit y puede que sea utilizado. Se contact\u00f3 al proveedor con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3."}], "id": "CVE-2025-7882", "lastModified": "2026-06-17T10:05:51.710", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 1.8, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:H/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.2, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-7882", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-07-21T14:37:09.267325Z", "version": "2.0.3"}}]}, "published": "2025-07-20T11:15:23.610", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/RaulPazemecxas/PoCVulDb/blob/main/README21.md"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?ctiid.316997"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?id.316997"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?submit.611431"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-307"}, {"lang": "en", "value": "CWE-799"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

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