Zephyr

United States Open Source zephyrproject.org ↗
C
CAUTION
46
Total CVEs
15
Crit / High
24
Medium
32%
Unpatched
0%
Patched
6.0
Avg CVSS
0
CISA KEV
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▸ CVE Trend by Year
▸ Patch Coverage
Patched
0%
Unpatched
32%
Under Review
68%
✓ 0 patched ✗ 21 unpatched ~ 45 under review
▸ Intelligence by Audience
PoC Available
3 / 20 shown
CISA KEV (Exploited)
0
Shodan Dorks
ssl:"zephyr" port:443
org:"Zephyr" http.status:200
Top EPSS (Exploitation Probability)
CVE-2026-15894 0.31% exploitation probability
CVE-2026-19570 0.29% exploitation probability
CVE-2026-19186 0.21% exploitation probability
CVE-2026-19937 0.18% exploitation probability
CVE-2026-19938 0.16% exploitation probability
Quick Facts for Reporting
Total CVEs tracked
46
Critical severity
0
Actively exploited (CISA)
0
Unpatched ratio
32%
Avg CVSS score
6.0
Security grade
C (CAUTION)
NVD Data Attribution
Source: NIST National Vulnerability Database (NVD) + GitHub Advisory Database.
Data aggregated by Valters IT Hub · valtersit.com
Last updated: 2026-08-03
Security Risk Score (for investors)
LOW
Vuln Volume
AVG
Patch Responsiveness
LOW
CISA Exposure
⚠ Not financial advice. Past security incidents do not guarantee future stock performance.
▸ Security News Google News
CVE-2026-19935: High severity vulnerability in Zephyr's L2CAP CoC - SecNews.gr
SecNews.gr 3d ago
TI expands Zephyr support to unify embedded development across chips - CHOSUNBIZ - Chosunbiz
Chosunbiz 2026-10-02
Multiple FatFs Vulnerabilities Expose Millions of Embedded Devices to Cyber Risks - CyberSecurityNews
CyberSecurityNews 2026-07-04
Pathways to Cybersecurity Best Practices in Open Source: How Three Linux Foundation Projects are Leading the Way in CRA Compliance - Linux Foundation
Linux Foundation 2025-04-09
▸ Recent CVEs showing 20 of 66
CVE IDSeverityPatchEPSSDate
CVE-2026-19938 5.9 MEDIUM UNKNOWN / UNPATCHED 0.16% 2026-10-13
CVE-2026-19936 4.8 MEDIUM UNKNOWN / UNPATCHED 0.14% 2026-10-13
CVE-2026-19937 5.7 MEDIUM UNKNOWN / UNPATCHED 0.18% 2026-10-13
CVE-2026-19577 7.1 HIGH UNKNOWN / UNPATCHED — 2026-10-11
CVE-2026-19669 7.8 HIGH UNKNOWN / UNPATCHED — 2026-10-11
CVE-2026-19738 6.5 MEDIUM UNKNOWN / UNPATCHED 0.10% 2026-10-11
CVE-2026-19740 6.5 MEDIUM UNKNOWN / UNPATCHED 0.10% 2026-10-11
CVE-2026-19739 6.5 MEDIUM UNKNOWN / UNPATCHED 0.10% 2026-10-11
CVE-2026-19735 4.8 MEDIUM UNKNOWN / UNPATCHED 0.16% 2026-10-11
CVE-2026-18418 PoC 3.4 LOW UNKNOWN / UNPATCHED 0.11% 2026-10-11
CVE-2026-19737 5.5 MEDIUM UNKNOWN / UNPATCHED 0.10% 2026-10-11
CVE-2026-19571 6.7 MEDIUM UNKNOWN / UNPATCHED 0.09% 2026-10-09
CVE-2026-19575 7.8 HIGH UNKNOWN / UNPATCHED 0.12% 2026-10-09
CVE-2026-19569 8.8 HIGH UNKNOWN / UNPATCHED 0.12% 2026-10-09
CVE-2026-19570 8.8 HIGH UNKNOWN / UNPATCHED 0.29% 2026-10-09
CVE-2026-19574 7.0 HIGH UNKNOWN / UNPATCHED 0.10% 2026-10-09
CVE-2026-19186 PoC 8.1 HIGH UNKNOWN / UNPATCHED 0.21% 2026-10-07
CVE-2026-15894 8.8 HIGH UNKNOWN / UNPATCHED 0.31% 2026-10-07
CVE-2026-19185 PoC 7.8 HIGH UNKNOWN / UNPATCHED 0.11% 2026-10-05
CVE-2026-17053 4.4 MEDIUM UNKNOWN / UNPATCHED — 2026-10-01
View all 66 CVEs for Zephyr →
▸Intel
HQSan Francisco, United States
Founded2016
CountryUnited States
LicenseOpen Source
Trust ScoreC — CAUTION
Max CVSS8.7
Last Updated2026-08-03
▸Top Weaknesses
CWE-416
Use After Free
8 occurrences in Zephyr CVEs (17% of total)
CWE-416 ⓘ
8
CWE-787
Out-of-Bounds Write
6 occurrences in Zephyr CVEs (13% of total)
CWE-787 ⓘ
6
CWE-125
Out-of-Bounds Read
5 occurrences in Zephyr CVEs (11% of total)
CWE-125 ⓘ
5
CWE-362
Race Condition
3 occurrences in Zephyr CVEs (7% of total)
CWE-362 ⓘ
3
CWE-476
NULL Pointer Dereference
3 occurrences in Zephyr CVEs (7% of total)
CWE-476 ⓘ
3
CWE-20
Unknown Weakness Type
3 occurrences in Zephyr CVEs (7% of total)
CWE-20 ⓘ
3
CWE-400
Uncontrolled Resource Consumption
2 occurrences in Zephyr CVEs (4% of total)
CWE-400 ⓘ
2
CWE-835
Unknown Weakness Type
2 occurrences in Zephyr CVEs (4% of total)
CWE-835 ⓘ
2
▸Company Profile

Zephyr is an open-source real-time operating system (RTOS) project hosted by the Linux Foundation, targeting resource-constrained embedded devices and IoT systems. Its main product is the Zephyr RTOS kernel, which is widely used in secure, connected devices across industries such as industrial automation, wearables, and smart home. The project's significance in cybersecurity stems from its focus on safety-critical and secure-by-design principles, with an active community addressing vulnerabilities through coordinated disclosure.

▸Response Metrics
Est. MTTR ⓘ ~500 days (Critical)
Mean Time To Remediate. Estimates days from CVE disclosure to patch.
Industry avg: ~60d (good) · 100-300d (poor) · 300d+ (critical)
CVE Trend ⓘ ↗ +720% worse
CVE count 2026 vs 2024:  5 → 41 CVEs
Patch Speed ⓘ Poor (>65% open)
32% of CVEs still unpatched.  Excellent: <20% · Good: 20-40% · Avg: 40-65% · Poor: >65%
▸ Financial Risk Estimate
Est. GDPR Low
€496K
Est. GDPR High
€5.0M

Based on 0 critical CVEs, 0 CISA KEV, 83% unpatched. Model: GDPR Art.83 · not legal advice.

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