# CVE-2025-8424 — NetScaler ADC

> As of 2026-02-26, CVE-2025-8424 is a High-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in NetScaler ADC, CVSS v4.0 8.7, EPSS 3.3% (88.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-8424, most recently “Desktop AI Supercomputers, Uncensored Models and Agentic Frameworks (HexStrike-AI) Enable Automated Large-Scale Attacks, incl. CVE-2025-7775 Citrix NetScaler”.

**Last updated:** 2026-02-26

## What is CVE-2025-8424?

Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway when an attacker can get access to the appliance NSIP, Cluster Management IP or local GSLB Site IP or SNIP with Management Access

The record classifies CVE-2025-8424 under weakness class [CWE-1284](https://intel.threadlinqs.com/cwe/CWE-1284). 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 423 days ago.

## Severity and exploitation probability

- **CVSS v4.0 base score:** 8.7 — High (derived from score) (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L`)
- **EPSS (FIRST):** 3.3% probability of exploitation in the next 30 days, higher than 88.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 9.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2025-08-26, last modified 2026-02-26

## Is CVE-2025-8424 being exploited?

Weaponised exploit code for CVE-2025-8424 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2025/CVE-2025-8424.md) (trickest)

## Affected products and versions

- [NetScaler](https://intel.threadlinqs.com/vendors/netscaler): ADC, Gateway

## How to fix CVE-2025-8424

No vendor patch reference has been recorded for CVE-2025-8424 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2025-8424

1 tracked threat in the Threadlinqs corpus references CVE-2025-8424, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Desktop AI Supercomputers, Uncensored Models and Agentic Frameworks (HexStrike-AI) Enable Automated Large-Scale Attacks, incl. CVE-2025-7775 Citrix NetScaler](https://intel.threadlinqs.com/threat/TL-2026-2881) — HIGH · 2026-10-03

## Sources

Enriched from CVE.org, FIRST EPSS, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [support.citrix.com](https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938)

Canonical: https://intel.threadlinqs.com/cve/CVE-2025-8424
Full detection coverage and IOCs for threats exploiting CVE-2025-8424 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp