CVE-2026-32709

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{"affected": [{"affectedData": [{"product": "PX4-Autopilot", "vendor": "PX4", "versions": [{"status": "affected", "version": "< 1.17.0-rc2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dronecode:px4_drone_autopilot:*:*:*:*:*:*:*:*", "matchCriteriaId": "2FC2D6F1-D77D-44C2-A99C-55CB5A4474B9", "versionEndExcluding": "1.17.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:dronecode:px4_drone_autopilot:1.17.0:alpha1:*:*:*:*:*:*", "matchCriteriaId": "033A0A82-2986-44D5-A712-47B8D43407FF", "vulnerable": true}, {"criteria": "cpe:2.3:a:dronecode:px4_drone_autopilot:1.17.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "3F2EA96E-BC3A-42AB-B81B-53D5872B2296", "vulnerable": true}, {"criteria": "cpe:2.3:a:dronecode:px4_drone_autopilot:1.17.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "1EAC5320-8D94-477D-AB85-144F8218DDFB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, An unauthenticated path traversal vulnerability in the PX4 Autopilot MAVLink FTP implementation allows any MAVLink peer to read, write, create, delete, and rename arbitrary files on the flight controller filesystem without authentication. On NuttX targets, the FTP root directory is an empty string, meaning attacker-supplied paths are passed directly to filesystem syscalls with no prefix or sanitization for read operations. On POSIX targets (Linux companion computers, SITL), the write-path validation function unconditionally returns true, providing no protection. A TOCTOU race condition in the write validation on NuttX further allows bypassing the only existing guard. This vulnerability is fixed in 1.17.0-rc2."}, {"lang": "es", "value": "El piloto autom\u00e1tico PX4 es una soluci\u00f3n de control de vuelo para drones. Antes de la versi\u00f3n 1.17.0-rc2, una vulnerabilidad de salto de ruta no autenticado en la implementaci\u00f3n FTP MAVLink del piloto autom\u00e1tico PX4 permite a cualquier par MAVLink leer, escribir, crear, eliminar y renombrar archivos arbitrarios en el sistema de archivos del controlador de vuelo sin autenticaci\u00f3n. En objetivos NuttX, el directorio ra\u00edz FTP es una cadena vac\u00eda, lo que significa que las rutas proporcionadas por el atacante se pasan directamente a las llamadas al sistema del sistema de archivos sin prefijo ni saneamiento para operaciones de lectura. En objetivos POSIX (ordenadores compa\u00f1eros Linux, SITL), la funci\u00f3n de validaci\u00f3n de ruta de escritura devuelve 'true' incondicionalmente, no proporcionando ninguna protecci\u00f3n. Una condici\u00f3n de carrera TOCTOU en la validaci\u00f3n de escritura en NuttX permite adem\u00e1s eludir la \u00fanica protecci\u00f3n existente. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 1.17.0-rc2."}], "id": "CVE-2026-32709", "lastModified": "2026-06-17T10:36:14.903", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-32709", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-17T15:12:17.652987Z", "version": "2.0.3"}}]}, "published": "2026-03-16T14:19:42.140", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-fh32-qxj9-x32f"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.17.0-rc2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "PX4-Autopilot", "source": "cna", "vendor": "PX4"}, "product": "px4-autopilot", "vendor": "px4"}], "analysis": {"en": {"generated_at": "2026-03-17T16:09:47.430977+00:00", "value": {"mitigation_remediation": ["Upgrade the PX4 Autopilot firmware to version 1.17.0\u2011rc2 or later.", "Verify that the upgrade has been applied by checking the firmware revision on the flight controller."], "summary": {"action": "Immediate Patch", "impact": "File System Compromise"}, "threat_synthesis": {"affected_systems": "The affected vendor is PX4 under the product PX4\u2011Autopilot. All builds prior to version 1.17.0\u2011rc2 are susceptible. This includes the 1.17.0\u2011alpha1, 1.17.0\u2011beta1 and 1.17.0\u2011rc1 releases, and any earlier releases. The vulnerability exists on both NuttX and POSIX targets used by PX4.", "description_and_impact": "PX4 autopilot firmware exposes an unauthenticated path traversal vulnerability in its MAVLink FTP implementation. The flaw allows any MAVLink peer to construct file paths that bypass the intended directory boundaries, enabling the attacker to read, write, create, delete, and rename arbitrary files on the onboard or associated companion\u2011computer filesystem. This results in full file system compromise, potentially allowing modification of flight parameters, firmware, or injection of malicious code (CWE-22).", "risk_and_exploitability": "The CVSS base score is 5.4, indicating a medium impact severity. An EPSS score of less than 1\u202f% signifies a low likelihood of exploitation in the wild, and the vulnerability is not listed in the CISA KEV catalog. The flaw can be exploited remotely over any MAVLink channel without authentication; no user interaction on the target is required, and the attacker can execute arbitrary file operations directly from a controlling device."}}}}, "created": "2026-03-16T09:22:40.691080+00:00", "updated": "2026-03-23T13:39:19.316317+00:00", "vendors": ["px4", "px4$PRODUCT$px4-autopilot"]}