Medium Denial of service

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

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.

Published Aug 24, 2026 · Updated Oct 14, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP, GitHub Security Advisories · CNA: CIRCL

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 0.2% (30-day exploitation probability)+2
Technical severity (medium)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

0.24%

ahead of 14% of scored CVEs · Oct 14, 2026

Affects

DJI

Air 3 and 15 more

CVSS base

6.0

Medium · 2 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation

None

none · proof-of-concept · active

Automatable

can an attacker script the kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (DJI Air 3, DJI Air 3S, DJI Avata 2…).
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Search available logs for exploit probes matching the vulnerability class (denial of service), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
DJI	Air 3	≤ 01.00.1600	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Air 3S	≤ 01.00.1400	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Avata 2	≤ 01.00.0400	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Avata 360	≤ 01.00.0300	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Flip	≤ 01.00.1200	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mavic 3	≤ 01.00.1400	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mavic 3 Classic	≤ 01.00.0800	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mavic 3 Pro	≤ 01.01.0700	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mavic 4 Pro	≤ 01.00.0500	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mini 2	≤ 01.07.0200,	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mini 3	≤ 01.00.0500	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mini 3 Pro	≤ 01.00.0900	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mini 4 Pro	≤ 01.00.1100	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Mini 5 Pro	≤ 01.00.0600	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Neo	≤ 01.00.0400,	Vulnerable	CVE Program (cve.org) e CISA ADP
DJI	Neo 2	≤ 01.00.0500	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Adjacent

Attack complexity

Low

Attack requirements

Present

Privileges required

None

User interaction

None

Scope

Confidentiality (vulnerable system)

None

Integrity (vulnerable system)

None

Availability (vulnerable system)

High

Confidentiality (subsequent)

None

Integrity (subsequent)

None

Availability (subsequent)

None

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
6.0	CVSS 4.0	Medium	—	—	5a6e4751-2f3f-4070-9419-94fb35b644e8 via NIST National Vulnerability Database
6.0	CVSS 4.0	Medium	—	—	CIRCL via CVE Program (cve.org) e CISA ADP

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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

(score shown at the top: 5a6e4751-2f3f-4070-9419-94fb35b644e8)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-770 · Allocation of Resources Without Limits or Throttling

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.24%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Track CPU/memory spikes and availability drops correlated with request patterns.

resource metrics

Timeline

What happened to this CVE, newest first.

2026
Affected products added · dji/neo, dji/neo 2, dji/flip, dji/air 3, dji/air 3s, dji/avata 2, dji/avata 360, dji/mavic 3, dji/mavic 3 classic, dji/m
Oct 14, 2026 · CVE Program (cve.org) e CISA ADP
SSVC assessment updated
Oct 14, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 14, 2026
CVSS changed · 6.0
Oct 14, 2026 · NIST National Vulnerability Database
Source status changed · → Deferred
Oct 14, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 14, 2026 · NIST National Vulnerability Database
CVE published
Aug 24, 2026 · CIRCL

Source activity

Repeated readings are counted rather than listed.

1× References added · Oct 14, 2026 – Oct 14, 2026
1× Official description updated · Oct 14, 2026 – Oct 14, 2026

References

3 on the record

support.dji.com/help/content
product, NIST National Vulnerability Database
nvd.nist.gov/vuln/detail/CVE-2026-78321
GitHub Security Advisories
github.com/advisories/GHSA-478p-8v46-gwpv
GitHub Security Advisories

Elsewhere on this site

DJI
every CVE for this vendor

Denial of service
same class

CWE-770
other pages naming this weakness

Related CVEs (same products)

High CVE-2026-78306 DJI Drone Bluetooth Interface Unauthenticated DUML Command Execution Aug 24, 2026
High CVE-2026-78255 DJI Drone HTTP Media Server Allows Unauthenticated Access to Stored Media Aug 24, 2026
Critical CVE-2026-77812 Cleartext Exposure of DJI Drone Wi-Fi Credentials via BLE Aug 21, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No fixed version, patch or mitigation documented.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-78321 is "DJI Drone HTTP Media Server Denial of Service via Connection Pool Exhaustion", rated Medium. It affects Air 3 (DJI); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 6.0 describes technical severity. EPSS 0.24% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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