CVE-2026-85103— Heap-based Buffer Overflow in VPN Certificate ASN.1 Decoding
Quick assessment
Affected
checkpoint Quantum Security Gateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Check Point Quantum Security Management 和 Quantum Security Gateway 系统中，VPN 证书 ASN.1 解码过程中的堆缓冲区溢出漏洞，可能允许未经身份验证的远程攻击者在这些系统上执行任意代码。
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I. Basic Information for CVE-2026-85103
Vulnerability Information
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Vulnerability Title
Heap-based Buffer Overflow in VPN Certificate ASN.1 Decoding
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute arbitrary code on Check Point Quantum Security Management and Quantum Security Gateway systems.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| checkpoint | Quantum Security Gateway | R82.10 with Jumbo Hotfix Take 43 or below | - |
|
| checkpoint | Quantum Security Management | R82.10 with Jumbo Hotfix Take 43 or below | - |
|
II. Public POCs for CVE-2026-85103
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-85103 (1)
IV. Related Vulnerabilities
Same product: Quantum Security Gateway
-
CVE-2026-85102
Improper Certificate Validation in Quantum Security Gateway -
CVE-2026-62145
Local Privilege Escalation in Gaia Portal -
CVE-2026-50751
User Authentication Bypass in VPN Remote Access and Mobile A -
CVE-2026-50752
Certificate Validation Bypass in VPN Site-to-Site Connection -
CVE-2026-48135
HTTP service can incorrectly process malformed HTTP requests
Same vendor: checkpoint
-
CVE-2026-85102
Improper Certificate Validation in Quantum Security Gateway -
CVE-2026-18574
Authentication Bypass in Check Point Security Management Ser -
CVE-2026-62145
Local Privilege Escalation in Gaia Portal -
CVE-2026-62144
Management Authentication Bypass and Privilege Escalation -
CVE-2026-16232
Authentication Bypass in the SmartConsole Login Process Usin
V. Comments for CVE-2026-85103
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