{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77031", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-20T08:42:56.416Z", "datePublished": "2026-08-20T17:15:09.552Z", "dateUpdated": "2026-08-20T18:28:50.477Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-20T17:15:09.552Z"}, "title": "Tenda CH22 formcreateFileName command injection", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-77", "lang": "en", "description": "Command Injection"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-74", "lang": "en", "description": "Injection"}]}], "affected": [{"vendor": "Tenda", "product": "CH22", "versions": [{"version": "1.0.0.1", "status": "affected"}], "cpes": ["cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in Tenda CH22 1.0.0.1. The affected element is the function formcreateFileName of the file /goform/formcreateFileName. The manipulation of the argument fileNameMit leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "HIGH"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 7.4, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "HIGH"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-08-20T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-20T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-20T10:48:02.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "ysnysn0121 (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/393642", "name": "VDB-393642 | Tenda CH22 formcreateFileName command injection", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/393642/cti", "name": "VDB-393642 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-77031", "name": "CVE-2026-77031 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/880667", "name": "Submit #880667 | Tenda CH22 V1.0.0.1 Command Injection", "tags": ["third-party-advisory"]}, {"url": "https://candle-throne-f75.notion.site/Tenda-CH22-formcreateFileName-392df0aa118580c38c4ad15fb15cd30d", "tags": ["exploit"]}, {"url": "https://www.tenda.com.cn/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202608"]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-20T18:28:41.348933Z", "id": "CVE-2026-77031", "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": "2026-08-20T18:28:50.477Z"}}]}}

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