# CVE-2025-7776 — NetScaler ADC

> As of 2025-08-27, CVE-2025-7776 is a High-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in NetScaler ADC, CVSS v4.0 8.8, EPSS 8.2% (94.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-7776, 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:** 2025-08-27

## What is CVE-2025-7776?

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it

The record classifies CVE-2025-7776 under weakness class [CWE-119](https://intel.threadlinqs.com/cwe/CWE-119). 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:** 8.8 — High (derived from score) (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L`)
- **EPSS (FIRST):** 8.2% probability of exploitation in the next 30 days, higher than 94.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2025-08-26, last modified 2025-08-27

## Is CVE-2025-7776 being exploited?

Weaponised exploit code for CVE-2025-7776 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 37 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2025/CVE-2025-7776.md) (trickest)

## Affected products and versions

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

## How to fix CVE-2025-7776

No vendor patch reference has been recorded for CVE-2025-7776 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-2025-7776

1 tracked threat in the Threadlinqs corpus references CVE-2025-7776, 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-2025-7776
Full detection coverage and IOCs for threats exploiting CVE-2025-7776 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp