VDB-365644 · CVE-2026-48132 · WID-SEC-2026-1726

Check Point Quantum Security Gateway VPN Processing Service length out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Check Point Quantum Security Gateway. It has been declared as problematic. This issue affects some unknown processing of the component VPN Processing Service. Executing a manipulation of the argument length can lead to out-of-bounds. The identification of this vulnerability is CVE-2026-48132. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Check Point Quantum Security Gateway (version now known). This vulnerability affects some unknown processing of the component VPN Processing Service. The manipulation of the argument length with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of service (temporary interruption of VPN negotiations/traffic).

The advisory is shared for download at support.checkpoint.com. This vulnerability was named CVE-2026-48132 since 05/20/2026. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1726). Once again VulDB remains the best source for vulnerability data.

Affected

Check Point Security Gateway

Productinfo

Vendor

Check Point

Name

Quantum Security Gateway

License

commercial

Website

Vendor: https://www.checkpoint.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector (checkpoint): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/20/2026 CVE reserved
05/26/2026 +6 days Advisory disclosed
05/26/2026 +0 days VulDB entry created
05/29/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: checkpoint.com

Advisory: support.checkpoint.com
Status: Confirmed

CVE: CVE-2026-48132 (🔒)
GCVE (CVE): GCVE-0-2026-48132
GCVE (VulDB): GCVE-100-365644
CERT Bund: WID-SEC-2026-1726 - Check Point Security Gateway: Mehrere Schwachstellen

Entryinfo

Created: 05/26/2026 17:17
Updated: 05/29/2026 11:11
Changes: 05/26/2026 17:17 (62), 05/29/2026 11:11 (7)
Complete: 🔍
Cache ID: 216::103