CVE-2026-78321 - DJI Drone HTTP Media Server Denial of Service via Connection Pool Exhaustion

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MEDIUM

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

Published Aug 24, 2026

6.0

MEDIUM

CVSS 4.0

EPSS 0.24%

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 products

Vendor DJI Product Air 3 Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.1600
Vendor DJI Product Air 3S Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.1400
Vendor DJI Product Avata 2 Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0400
Vendor DJI Product Avata 360 Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0300
Vendor DJI Product Flip Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.1200
Vendor DJI Product Mavic 3 Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.1400
Vendor DJI Product Mavic 3 Classic Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0800
Vendor DJI Product Mavic 3 Pro Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.01.0700
Vendor DJI Product Mavic 4 Pro Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0500
Vendor DJI Product Mini 2 Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.07.0200,
Vendor DJI Product Mini 3 Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0500
Vendor DJI Product Mini 3 Pro Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0900
Vendor DJI Product Mini 4 Pro Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.1100
Vendor DJI Product Mini 5 Pro Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0600
Vendor DJI Product Neo Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0400,
Vendor DJI Product Neo 2 Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=01.00.0500

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Description

Affected products

Remediation

References (2)

Change history (0)