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CVE-2025-6543

CWE-119

Critical

101.8

RPS

Description

Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

Source: NVD

Signals

CVSS
9.8
Critical · v3.1
EPSS
10.56%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Jun 2025
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-119
Published
25 Jun 2025
Last modified 24 Oct 2025

How to read these signals: RPS · EPSS · CISA KEV · Data sources

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Data as of 7 Oct 2026, 05:16 UK time

CVE-2025-6543 · RPS 101.8 · DevSecure Intelligence