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5111 articles · 249890 vulns · 37/41 feeds (7d)
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9.8
CVE-2026-79856
arista · aos

Unauthenticated Buffer Overflow Vulnerability leads to Authentication Bypass in AOS-8

Description

A buffer overflow vulnerability exists in the PAPI protocol of AOS-8 that could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data.

Affected Products

VendorProductVersions
aristaaos8.13.0.0, 8.10.0.0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
arubaarubaoscert_advisory90%

References

  • https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US

Related News (3 articles)

Tier B
BSI Advisories3d ago
[NEU] [hoch] Aruba ArubaOS: Mehrere Schwachstellen
→ No new info (linked only)
Tier B
CERT-FR3d ago
Multiples vulnérabilités dans les produits HPE Aruba Networking (23 octobre 2026)
→ No new info (linked only)
Tier C
VulDB3d ago
CVE-2026-79856 | HPE up to 8.10.0.23/8.13.3.0 code injection
→ No new info (linked only)

Discussion (0)

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CVSS 3.19.8 CRITICAL
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited❌ No
PublishedOct 22, 2026
Last enriched3d agov2
Trending Score42
Source articles3
Independent3
Info Completeness9/14
Missing: epss, kev, exploit, patch, iocs

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CRITICALCVE-2026-93952EXPKEV
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Trending: 104
CRITICALCVE-2026-114625EXP
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CRITICALCVE-2026-79847
Unauthenticated Buffer Overflow Vulnerabilities leads to Remote Code Execution in AOS-10
Trending: 45
CRITICALCVE-2026-79848
Unauthenticated SQL Injection Vulnerabilities allow Remote Code Execution in AOS-8
Trending: 45
CRITICALCVE-2026-79855
Authentication Bypass in the SSH Daemon of AOS-8 leads to Complete System Compromise
Trending: 42

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Oct 22, 2026
Discovered by ZDM
Oct 22, 2026
Updated: affectedVersions, description, cweIds, mitreAttack
Oct 22, 2026

Version History

v2
Last enriched 3d ago
v2Tier C3d ago

Updated affected versions to 8.10.0.23 and 8.13.3.0, clarified vulnerability type as code injection, added CWE-94 and MITRE ATT&CK technique T1190

affectedVersionsdescriptioncweIdsmitreAttack
via VulDB
v13d ago

Initial creation