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CVE-2026-78321

DJI Drone HTTP Media Server Denial of Service via Connection Pool Exhaustion

MEDIUM
6
CVSS Score
Published: August 24, 2026 at 08:47 AM UTC
Updated: October 14, 2026 at 01:10 PM UTC
16 products affected across 1 vendorMini 3 ProMavic 3Mavic 3 Pro

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Severity
MEDIUM6
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

The HTTP media server on DJI drones does not enforce sufficient limits on incoming connections or request rates. An attacker with access to the drone's internal network can exhaust the server's connection pool by repeatedly requesting a stored media file, preventing the server from handling legitimate requests and causing a denial of service that prevents the DJI Fly application from retrieving photos and videos from the aircraft in QuickTransfer mode. Affected models are DJI Neo until 01.00.0400, DJI Neo 2 until 01.00.0500, DJI Flip until 01.00.1200, DJI Air 3 until 01.00.1600, DJI Air 3S until 01.00.1400, DJI Avata 2 until 01.00.0400, DJI Avata 360 until 01.00.0300, DJI Mavic 3 until 01.00.1400, DJI Mavic 3 Classic until 01.00.0800, DJI Mavic 3 Pro until 01.01.0700, DJI Mavic 4 Pro until 01.00.0500, DJI Mini 2 until 01.07.0200, DJI Mini 3 until 01.00.0500, DJI Mini 3 Pro until 01.00.0900, DJI Mini 4 Pro until 01.00.1100, and DJI Mini 5 Pro until 01.00.0600. Remediation requires a firmware update from the vendor.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Air 3· Dji
90%
0 ≤ v ≤ 01.00.16000
Air 3S· Dji
90%
0 ≤ v ≤ 01.00.14000
Avata 2· Dji
90%
0 ≤ v ≤ 01.00.04000
Avata 360· Dji
90%
0 ≤ v ≤ 01.00.03000
Flip· Dji
90%
0 ≤ v ≤ 01.00.12000
Mavic 3· Dji
90%
0 ≤ v ≤ 01.00.14000
Mavic 3 Classic· Dji
90%
0 ≤ v ≤ 01.00.08000
Mavic 3 Pro· Dji
90%
0 ≤ v ≤ 01.01.07000
Mavic 4 Pro· Dji
90%
0 ≤ v ≤ 01.00.05000
Mini 2· Dji
90%
0 ≤ v ≤ 01.07.0200,0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Product
Source: cverecord
https://support.dji.com/help/content?customId=en-us03400011149&spaceId=34&re=US&lang=en

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6MEDIUMCIRCL
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-770

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