CVE-2023-6874
Zigbee Unauthenticated DoS via NWK Sequence number manipulation
HIGH
7.5
CVSS Score
Published: February 5, 2024 at 05:39 PM UTC
Updated: June 17, 2026 at 06:51 AM UTC
2 products affected across 2 vendorsGecko Software Development KitGecko Software Development Kit
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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
Description
Prior to v7.4.0, Ember ZNet is vulnerable to a denial of service attack through manipulation of the NWK sequence number
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 4.4.0v < 7.4.0
Affected range stops below 4.4.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.0, so it looks safe — our inference, not a vendor statement
0.0 ≤ v < 7.4.00.0
Affected range stops below 7.4.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHSilabs
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-312CWE-754
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