CVE-2026-4489

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{"affected": [{"affectedData": [{"product": "A18 Pro", "vendor": "Tenda", "versions": [{"status": "affected", "version": "02.03.02.28"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in Tenda A18 Pro 02.03.02.28. This vulnerability affects the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. The manipulation results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and may be used."}, {"lang": "es", "value": "Una vulnerabilidad fue detectada en Tenda A18 Pro 02.03.02.28. Esta vulnerabilidad afecta a la funci\u00f3n form_fast_setting_wifi_set del archivo /goform/fast_setting_wifi_set. La manipulaci\u00f3n resulta en un desbordamiento de b\u00fafer basado en pila. El ataque puede ser lanzado remotamente. El exploit es ahora p\u00fablico y puede ser utilizado."}], "id": "CVE-2026-4489", "lastModified": "2026-06-17T10:56:41.370", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.4, "baseSeverity": "HIGH", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4489", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-20T17:12:49.632067Z", "version": "2.0.3"}}]}, "published": "2026-03-20T16:16:19.303", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/lilukun337/cve/issues/1"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?ctiid.352015"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?id.352015"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?submit.773619"}, {"source": "cna@vuldb.com", "url": "https://www.tenda.com.cn/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-121"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "02.03.02.28"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "a18_pro", "vendor": "tenda"}], "analysis": {"en": {"generated_at": "2026-03-20T17:26:13.127745+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update for the Tenda A18 Pro (any release newer than 02.03.02.28).", "If an update is not yet available, temporarily disable remote access to the /goform/fast_setting_wifi_set interface or block the device on the network.", "Monitor device logs for anomalous activity and isolate the device until a patch is applied."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The Tenda A18 Pro model, specifically firmware version 02.03.02.28, is affected. No other versions or products are listed as impacted.", "description_and_impact": "A stack\u2011based buffer overflow occurs in the form_fast_setting_wifi_set function of the /goform/fast_setting_wifi_set interface. This flaw allows a remote attacker to send crafted data to the device and overwrite control data on the stack, potentially enabling arbitrary code execution. The vulnerability is classified as CWE\u2011119 and CWE\u2011121.", "risk_and_exploitability": "The CVSS score is 8.7, indicating high severity. EPSS information is not available, and the vulnerability is not listed in CISA\u2019s KEV catalog. The flaw is exploitable remotely and a public exploit has already been disclosed, making the risk of exploitation significant for devices running the affected firmware."}}}}, "created": "2026-03-23T09:53:24.536836+00:00", "updated": "2026-03-25T14:29:14.625006+00:00", "vendors": ["tenda", "tenda$PRODUCT$a18_pro"]}