CVE-2026-0836

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The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se determin\u00f3 una vulnerabilidad en UTT ?? 520W 1.7.7-180627. El elemento afectado es la funci\u00f3n strcpy del archivo /goform/formConfigFastDirectionW. Esta manipulaci\u00f3n del argumento ssid causa desbordamiento de b\u00fafer. La explotaci\u00f3n remota del ataque es posible. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. El proveedor fue contactado con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "id": "CVE-2026-0836", "lastModified": "2026-06-17T10:11:28.140", "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-2026-0836", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-01-12T17:54:17.602609Z", "version": "2.0.3"}}]}, "published": "2026-01-11T05:15:47.947", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Lena-lyy/cve/blob/main/1223/26.md"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.340436"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.340436"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.729018"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T16:30:08.795770+00:00", "value": {"mitigation_remediation": ["Apply a firmware update from UTT that resolves the strcpy buffer overflow in formConfigFastDirectionW", "If an update is unavailable, restrict network access to the device, limiting exposure to trusted networks only", "Consider disabling or restricting the web interface that exposes the vulnerable endpoint until a fix is deployed"], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution via Buffer Overflow"}, "threat_synthesis": {"affected_systems": "The vulnerability affects UTT \u8fdb\u53d6 520W devices running firmware version 1.7.7-180627. It corresponds to the hardware model 520W with firmware 1.7.7-180627. No other vendors or products are listed.", "description_and_impact": "A buffer overflow occurs in the strcpy function inside the /goform/formConfigFastDirectionW handler of UTT \u8fdb\u53d6 520W firmware 1.7.7-180627. The overflow is triggered by manipulating the ssid argument. The vulnerability falls under CWE-119 and CWE-120 and allows an attacker to corrupt memory, potentially leading to arbitrary code execution. The impact is a loss of confidentiality, integrity, and availability of the affected device, enabling full remote compromise.", "risk_and_exploitability": "The CVSS score of 8.7 classifies the flaw as high severity, while the EPSS score of less than 1% suggests a low current exploitation probability. The vulnerability is not listed in the CISA KEV catalog. The attack vector is inferred to be remote, with an attacker sending a specially crafted HTTP request to the vulnerable web interface. No straightforward prerequisites are described, indicating that any network user could potentially trigger the overflow if they can reach the device."}}}}, "created": "2026-01-12T14:36:10.879129+00:00", "updated": "2026-04-18T16:45:05.213084+00:00", "vendors": ["utt", "utt$PRODUCT$520w"]}