Zen

United Kingdom Commercial www.zen.com ↗
C
CAUTION
6
Total CVEs
2
Crit / High
1
Medium
33%
Unpatched
0%
Patched
5.7
Avg CVSS
0
CISA KEV
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OSINT FINANCIALS EXEC PROFILES BREACH DB
▸ CVE Trend by Year
▸ Patch Coverage
Patched
0%
Unpatched
33%
Under Review
67%
✓ 0 patched ✗ 1 unpatched ~ 2 under review
▸ Intelligence by Audience
PoC Available
2 / 20 shown
CISA KEV (Exploited)
0
Shodan Dorks
ssl:"zen" port:443
org:"Zen" http.status:200
Top EPSS (Exploitation Probability)
CVE-2025-66689 0.56% exploitation probability
CVE-2024-1076 0.23% exploitation probability
Quick Facts for Reporting
Total CVEs tracked
6
Critical severity
0
Actively exploited (CISA)
0
Unpatched ratio
33%
Avg CVSS score
5.7
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: 2026-07-14
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
Zen-AI-Pentest: Open-source AI-powered penetration testing framework - Help Net Security
Help Net Security 2026-02-11
New Interrupt Injection Attack Can Bypass Spectre v2 Defenses on Intel and AMD CPUs - The Hacker News
The Hacker News 2026-08-06
MIT boffins' TONTOU attack slips through Spectre defenses on Intel and AMD CPUs - The Register
The Register 2026-08-07
StackWarp (CVE-2025-29943): Critical SEV-SNP Vulnerability in AMD Zen 1–5 CPUs Exposes Confidential Computing to Privilege Escalation and Key Theft - Rescana
Rescana 2026-01-25
Microsoft April 2026 Patch Tuesday Fixes 160+ Vulnerabilities, Including 2 Zero-Day Flaws - LinkedIn
LinkedIn 2026-04-14
Is This Your AI? Researchers Crack AI Blackbox - Georgia Institute of Technology
Georgia Institute of Technology 2026-02-25
▸ Recent CVEs showing 20 of 3
CVE IDSeverityPatchEPSSDate
CVE-2026-97868 PoC 3.5 LOW UNKNOWN / UNPATCHED — 2026-09-25
CVE-2025-66689 ? N/A PATCH UNDER REVIEW 0.56% 2026-01-12
CVE-2024-1076 PoC ? N/A PATCH UNDER REVIEW 0.23% 2024-05-08
View all 3 CVEs for Zen →
▸Intel
CountryUnited Kingdom
LicenseCommercial
Trust ScoreC — CAUTION
Max CVSS8.0
Last Updated2026-07-14
▸Top Weaknesses
CWE-347
Unknown Weakness Type
1 occurrence in Zen CVEs (17% of total)
CWE-347 ⓘ
1
CWE-22
Unknown Weakness Type
1 occurrence in Zen CVEs (17% of total)
CWE-22 ⓘ
1
CWE-121
Unknown Weakness Type
1 occurrence in Zen CVEs (17% of total)
CWE-121 ⓘ
1
CWE-20
Unknown Weakness Type
1 occurrence in Zen CVEs (17% of total)
CWE-20 ⓘ
1
CWE-78
Unknown Weakness Type
1 occurrence in Zen CVEs (17% of total)
CWE-78 ⓘ
1
CWE-451
Unknown Weakness Type
1 occurrence in Zen CVEs (17% of total)
CWE-451 ⓘ
1
▸Company Profile

Zen Browser is a privacy-focused web browser built on the Firefox engine, emphasizing minimalism and user data protection. It is a relatively niche open-source project with limited cybersecurity relevance, primarily targeting users seeking alternatives to mainstream browsers. The vendor has 6 tracked CVEs, indicating a small attack surface and low industry impact.

▸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 ⓘ ↗ +400% worse
CVE count 2026 vs 2025:  1 → 5 CVEs
Patch Speed ⓘ Poor (>65% open)
33% of CVEs still unpatched.  Excellent: <20% · Good: 20-40% · Avg: 40-65% · Poor: >65%
▸ Financial Risk Estimate
Est. GDPR Low
€500K
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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