HIGH
CVE-2026-2815
CWE-339Published: June 25, 2026· Updated: Jun 25, 2026
8.4
CVSS v3.1
EPSS:0.16%probability of exploitation in 30 daysPercentile:5.5th
Official Description
Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
Technical Analysis
CVE-2026-2815 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeX
Impact
Confidentiality
Integrity
Availability
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/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
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (2)
Quick Facts
CVE IDCVE-2026-2815
CVSS Score8.4 / 10
SeverityHIGH
WeaknessCWE-339
CISA KEVNo
EPSS (30d)0.16%
PublishedJun 25, 2026
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-2815 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.