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. 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 (trickest)
Affected products and versions
- 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.
Sources
Enriched from CVE.org, FIRST EPSS, public proof-of-concept repositories. Last verified by Threadlinqs on .