Vulnerabilities

CVE-2026-91843 | BDVDB-2026-375341 Detail

checkpointQuantum Security Management

Description#

A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-121 Stack-based Buffer Overflow.

References#

https://support.checkpoint.com/results/sk/sk1000155

Exploit#

No public exploit known

History#

Version 12026-09-16Record published in the CVE List.
Version 22026-09-17Most recent update recorded in the CVE List.

Published

Published: 2026-09-16
Last modified: 2026-09-17

Vendor information

Vendor: checkpoint
Product: Quantum Security Management

All checkpoint vulnerabilities

Score

9.8 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 44.4.

KEV

No

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
R82.10 with Jumbo Hotfix Take 44 or below
Fixed
Not stated
Vulnerable
R82 with Jumbo Hotfix Take 126 or below
Fixed
Not stated
Vulnerable
R81.20 with Jumbo Hotfix Take 166 or below
Fixed
Not stated
Vulnerable
R81.10 (EOS) with Jumbo Hotfix Take 190 or below
Fixed
Not stated
Vulnerable
R81 (EOS)
Fixed
Not stated
Vulnerable
R80.40 (EOS)
Fixed
Not stated
Vulnerable
R80.30 (EOS)
Fixed
Not stated
Vulnerable
R80.20 (EOS)
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).