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Zephyr Project

Security Risk Profile

49
/100
medium

Security Risk Score

Comprehensive risk assessment based on 72 vulnerabilities, EPSS scores, exploitation status, and remediation availability.

📅 Data spans from March 15, 2024 to present

72
Total CVEs
32
Critical+High
0
Exploited
32
Unpatched

Threat Assessment

Avg CVSS
6.7
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
32
Critical/High
Risk Level
49/100
medium
🆕 15Fresh (<7d)📈 31 in Last 30 Days

Severity Distribution

Critical
2
High
30
Medium
36
Low
4

Exploit Likelihood

>50% chance
0
20-50%
0
5-20%
0
<5%
3

Age Distribution

Common Weaknesses (CWE)

1
Use After Free
9
2
Null Pointer Dereference
5
3
Integer Underflow
3
4
Race Condition
3
5
Integer Overflow
2

Most Affected Products

1. Zephyr Project Zephyr40
2. zephyrproject zephyr34
3. Zephyr Project Zephyr RTOS13
4. Zephyr Project Zephyr OS3
5. Zephyr Project Zephyr Bluetooth Mesh2

Recent Vulnerabilities

See more →
CVE-2026-75085
CVSS 4.2medium

Out-of-bounds read from received-frame length underflow in the STM32WBA IEEE 802.15.4 driver

Oct 14, 2026🔧 No Patch
CVE-2026-75084
CVSS 6.8medium

Out-of-bounds write in the TI CC1200 IEEE 802.15.4 driver from an unvalidated radio-supplied packet length

Oct 14, 2026🔧 No Patch
CVE-2026-75083
CVSS 5.9medium

Integer underflow of the radio-reported frame length causes an out-of-bounds write in the NXP KW41Z IEEE 802.15.4 driver

Oct 14, 2026🔧 No Patch
CVE-2026-19940
CVSS 6.5medium

Bluetooth HFP AG reuses a connection slot while a delayable work item is still armed, corrupting kernel timeout bookkeeping

Oct 13, 2026🔧 No Patch
CVE-2026-19939
CVSS 6.3medium

Bluetooth Classic AVDTP: stale timeout work on signalling-channel disconnect leads to kernel timeout-list corruption

Oct 13, 2026🔧 No Patch
CVE-2026-19937
CVSS 5.7medium

Bluetooth Mesh Access layer permanently leaks delayable-message contexts, disabling all model responses

Oct 12, 2026🔧 No Patch
CVE-2026-19936
CVSS 4.8medium

Bluetooth Mesh delayable message queue: unsynchronized list access leads to NULL pointer dereference

Oct 12, 2026🔧 No Patch
CVE-2026-19740
CVSS 6.5medium

Bluetooth LE Controller: retained RX node leak and reachable assertion in the PHY Update procedure

Oct 11, 2026🔧 No Patch
CVE-2026-19739
CVSS 6.5medium

Bluetooth LE controller leaks a retained RX node when an unexpected LL Control PDU arrives during a Connection Update

Oct 11, 2026🔧 No Patch
CVE-2026-19738
CVSS 6.5medium

Retained RX node leak and reachable assertion in Bluetooth Controller CIS Create procedures

Oct 11, 2026🔧 No Patch

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