{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4960", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-03-27T08:10:29.177Z", "datePublished": "2026-03-27T16:09:34.784Z", "dateUpdated": "2026-03-27T22:07:09.941Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-03-27T22:07:09.941Z"}, "title": "Tenda AC6 POST Request WizardHandle fromWizardHandle stack-based overflow", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-121", "lang": "en", "description": "Stack-based Buffer Overflow"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "Tenda", "product": "AC6", "versions": [{"version": "15.03.05.16", "status": "affected"}], "cpes": ["cpe:2.3:o:tenda:ac6_firmware:*:*:*:*:*:*:*:*"], "modules": ["POST Request Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in Tenda AC6 15.03.05.16. Affected is the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized."}], "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": "2026-03-27T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-03-27T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-03-27T09:15:37.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "wxhwxhwxh_mie (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.353837", "name": "VDB-353837 | Tenda AC6 POST Request WizardHandle fromWizardHandle stack-based overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.353837", "name": "VDB-353837 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.777616", "name": "Submit #777616 | Tenda AC6 AC6 V1.0 V15.03.05.16 Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://lavender-bicycle-a5a.notion.site/Tenda-AC6-WizardHandle-32053a41781f800eb05feb16885747f7?source=copy_link", "tags": ["exploit"]}, {"url": "https://www.tenda.com.cn/", "tags": ["product"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-27T18:50:22.296223Z", "id": "CVE-2026-4960", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-27T19:57:46.381Z"}}]}}

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{}

{"analysis": {"en": {"generated_at": "2026-03-27T17:50:28.314010+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update from Tenda for the AC6 router.", "If a firmware update is not yet available, block external access to the /goform/WizardHandle endpoint using firewall rules or disable the WizardHandle feature via the router\u2019s configuration. "], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The affected system is the Tenda AC6 router, specifically firmware version 15.03.05.16 supplied by the vendor Tenda.", "description_and_impact": "The vulnerability is located in the fromWizardHandle function of the /goform/WizardHandle component in Tenda AC6 firmware. An attacker can send a specially crafted POST request that manipulates the WANT/WANS argument, causing a stack\u2011based buffer overflow. This overflow can allow execution of arbitrary code on the device, giving the attacker full control over the router and potentially the rest of the connected network.", "risk_and_exploitability": "The reported severity rating is 8.7, indicating a high\u2011risk vulnerability. The flaw is publicly disclosed and can be executed remotely through HTTP POST requests to /goform/WizardHandle, with no special privilege required. It is not listed in the Known Exploited Vulnerabilities catalog, but its high score and remote trigger make it a significant risk when a patch is not applied."}}}}, "created": "2026-03-27T20:28:14.094338+00:00", "updated": "2026-03-27T20:28:14.094374+00:00", "vendors": []}