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CVE-2026-32713— PX4 Autopilot MAVLink FTP Session Validation Logic Error Allows Operations on Invalid File Descriptors

Quick assessment

Affected
PX4 PX4-Autopilot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PX4-Autopilot是PX4 Autopilot开源的一个无人机自动驾驶系统。 PX4-Autopilot 1.17.0-rc2之前版本存在安全漏洞，该漏洞源于PX4 Autopilot MAVLink FTP会话验证中存在逻辑错误，可能导致未经验证的攻击者使FTP子系统进入不一致状态并绕过会话隔离检查。

CVSS 4.3 · Medium EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-32713

Vulnerability Information
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Vulnerability Title
PX4 Autopilot MAVLink FTP Session Validation Logic Error Allows Operations on Invalid File Descriptors
Source: CVE Program / CVE List V5
Vulnerability Description
PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, A logic error in the PX4 Autopilot MAVLink FTP session validation uses incorrect boolean logic (&& instead of ||), allowing BurstReadFile and WriteFile operations to proceed with invalid sessions or closed file descriptors. This enables an unauthenticated attacker to put the FTP subsystem into an inconsistent state, trigger operations on invalid file descriptors, and bypass session isolation checks. This vulnerability is fixed in 1.17.0-rc2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
控制流实现总是不正确
Source: CVE Program / CVE List V5
Vulnerability Title
PX4-Autopilot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PX4-Autopilot是PX4 Autopilot开源的一个无人机自动驾驶系统。 PX4-Autopilot 1.17.0-rc2之前版本存在安全漏洞，该漏洞源于PX4 Autopilot MAVLink FTP会话验证中存在逻辑错误，可能导致未经验证的攻击者使FTP子系统进入不一致状态并绕过会话隔离检查。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
PX4 PX4-Autopilot < 1.17.0-rc2 -

II. Public POCs for CVE-2026-32713

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III. Intelligence Information for CVE-2026-32713

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Vendor Advisories for CVE-2026-32713 (1)

Same Patch Batch · PX4 · 2026-03-13 · 7 CVEs total

CVE-2026-32708 7.8 HIGH Zenoh uORB Subscriber Allows Arbitrary Stack Allocation (PX4/PX4-Autopilot)
CVE-2026-32706 7.1 HIGH PX4 autopilot has a global buffer overflow in crsf_rc via oversized variable-length known
CVE-2026-32705 6.8 MEDIUM PX4 autopilot BST Device Name Length Can Overflow Driver Buffer
CVE-2026-32709 5.4 MEDIUM PX4 Autopilot MAVLink FTP Unauthenticated Path Traversal (Arbitrary File Read/Write/Delete
CVE-2026-32724 5.3 MEDIUM PX4 autopilot has a heap Use-After-Free in MavlinkShell::available() via SERIAL_CONTROL Ra
CVE-2026-32707 5.2 MEDIUM PX4 autopilot has a stack buffer overflow in tattu_can due to unbounded memcpy in frame as

IV. Related Vulnerabilities

Same product: PX4-Autopilot
Same vendor: PX4
Same weakness: CWE-670

V. Comments for CVE-2026-32713

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