{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-8170", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2025-07-25T07:36:32.690Z", "datePublished": "2025-07-25T21:02:07.203Z", "dateUpdated": "2025-07-28T14:53:25.227Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-07-25T21:02:07.203Z"}, "title": "TOTOLINK T6 MQTT Packet meshSlaveDlfw tcpcheck_net buffer overflow", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "Buffer Overflow"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "TOTOLINK", "product": "T6", "versions": [{"version": "4.1.5cu.748_B20211015", "status": "affected"}], "modules": ["MQTT Packet Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748_B20211015. This vulnerability affects the function tcpcheck_net of the file /router/meshSlaveDlfw of the component MQTT Packet Handler. The manipulation of the argument serverIp leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used."}, {"lang": "de", "value": "In TOTOLINK T6 4.1.5cu.748_B20211015 wurde eine Schwachstelle entdeckt. Sie wurde als kritisch eingestuft. Hierbei betrifft es die Funktion tcpcheck_net der Datei /router/meshSlaveDlfw der Komponente MQTT Packet Handler. Durch die Manipulation des Arguments serverIp mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff \u00fcber das Netzwerk. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P", "baseSeverity": "HIGH"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "HIGH"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 8.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "HIGH"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 9, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2025-07-25T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2025-07-25T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2025-07-25T09:41:37.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "reisen_1943 (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.317584", "name": "VDB-317584 | TOTOLINK T6 MQTT Packet meshSlaveDlfw tcpcheck_net buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.317584", "name": "VDB-317584 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.620834", "name": "Submit #620834 | TOTOLINK T6 V4.1.5cu.748_B20211015 Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.md", "tags": ["related"]}, {"url": "https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.md#poc", "tags": ["exploit"]}, {"url": "https://www.totolink.net/", "tags": ["product"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-07-28T14:53:11.222349Z", "id": "CVE-2025-8170", "options": [{"Exploitation": "poc"}, {"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": "2025-07-28T14:53:25.227Z"}}]}}

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