CVE-2026-10817Patch(citrix / netscaler_application_delivery_controller)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch citrix netscaler_application_delivery_controller systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-125

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • netscaler_application_delivery_controller
  • netscaler_gateway

Threat summary

  • Patch or workaround signal is available
  • 8 mentions across 6 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 5 signals
  • Technical details provided in 3 signals
  • Disclosure: 1 classified signal
  • Peaked 4d ago at 2 mentions (2026-07-01); latest day: 1
  • 8 total mentions across 6 days

Affected systems

Vendors
Products
netscaler_application_delivery_controllernetscaler_gateway

1 version affected across 2 products

Deep dive

Activity timeline8 mentions / 6d
01122Mentions · 2026-06-30: 1Mentions · 2026-07-01: 2Mentions · 2026-07-04: 2Mentions · 2026-07-08: 1Mentions · 2026-09-13: 1Mentions · 2026-09-29: 1Patch / Workaround · 2026-07-01: 1Patch / Workaround · 2026-07-04: 2Patch / Workaround · 2026-07-08: 1Patch / Workaround · 2026-09-13: 1Technical Details · 2026-07-01: 1Technical Details · 2026-07-04: 1Technical Details · 2026-07-08: 106-3007-0107-0407-0809-1309-29
Signal classification2 categories
Patch
685.7%
Disclosure
114.3%
Referenced assets10 URLs
Classification over time
DateTotalLabels
2026-06-301
Disclosure1
2026-07-012
Patch2
2026-07-042
Patch2
2026-07-081
Patch1
2026-09-131
Patch1
Full discourse8 posts
  • Autumn Good@autumn_good_35
    Patch

    🚨🚨🚨 NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-8451, CVE-2026-8452, CVE-2026-8655, CVE-2026-10816, CVE-2026-10817, and CVE-2026-13474 https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604

    Post summary

    The message announces Citrix NetScaler ADC and Gateway security bulletins for multiple CVEs and provides a link to the vendor’s support page for further information.

    200511.6K
    7.0K followersView on X
  • Mr. OS@ksg93rd

    #NetSec #Offensive_security I’ll hack you via a SYN packet, OFFZONE 2026. http://www.cyberpocket.org // CVE-2026-10817 in the TCP stack of NetScaler ADC and Gateway. Yes, attackers can leak decrypted data via a truncated TCP timestamp ]-> NetScaler NSE script https://github.com/msuhanov/nse/blob/main/netscaler-id.nse ]-> Various scripts to triage compromised systems (Linux, ESXi, FreeBSD/NetScaler) https://github.com/msuhanov/easy_triage

    10021224
    3.4K followersView on X
  • Jan Tytgat 🇧🇪🇪🇺@jantytgat
    Disclosure

    🚨🚨🚨@cloudsoftware has just issued a security bulletin for @NetScaler 🚨🚨🚨 Severity: *** HIGH *** CVE: CVE-2026-8451 / CVE-2026-8452 / CVE-2026-8655 / CVE-2026-10816 / CVE-2026-10817 / CVE-2026-13474 For more information: https://mailinglist.corelayer.eu/archive/netscaler-security-bulletin-8936

    Post summary

    CloudSoftware issued a high‑severity security bulletin for NetScaler, listing multiple CVEs and providing a link to a mailing list for further details.

    01010186
    910 followersView on X
  • iototsecnews@iototsecnews
    Patch

    Citrix NetScaler ADC/Gateway に 6件の脆弱性:メモリ範囲外読み取りと DoS 攻撃の恐れ https://iototsecnews.jp/2026/07/01/citrix-netscaler-adc-and-gateway-flaws-let-attackers-trigger-memory-overread-and-denial-of-service/ 今回の脆弱性は、入力値に対する不十分な検証や、メモリ処理におけるエラーなどが原因となって発生しています。 具体的には CVE-2026-8451/CVE-2026-10817 のようにメモリの範囲外読み取りを引き起こすものや、 CVE-2026-8452/CVE-2026-8655 のようにメモリオーバーフローを招くものがあります。また、認証なしで任意のファイルが読み取れてしまう CVE-2026-10816 や、不適切なメモリ処理によりリソースが枯渇する CVE-2026-13474 も存在します。 コンフィグやプロファイルが有効な場合に悪用される危険があるため、該当するシステムへの迅速なアップデートに加えて設定の変更が必要です。ご利用のチームは、ご注意ください。 #Citrix #NetScalerADC #Vulnerability

    Post summary

    Citrix NetScaler ADC/Gateway suffers from several memory‑related and authentication bypass vulnerabilities, forcing the release of patches and configuration updates to protect affected systems.

    01000162
    500 followersView on X
  • PJ@Npj8448
    Patch

    🚨 New vulnerabilities reported: CVE-2026-10817 in NetScaler ADC and Gateway, and CVE-2026-83548 in SonicWall SMA1000. Patch now to prevent exploitation! #CyberSecurity #VulnerabilityManagement #PatchNow https://pranithjain.qzz.io/threatintel/social/firehose?tab=reddit

    Post summary

    The tweet announces two CVEs and urges immediate patching, with no details on exploit code, active exploitation, or technical vulnerability characteristics.

    0000064
    73 followersView on X
  • Eyal Estrin ☁️@eyalestrin
    Patch

    NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-8451, CVE-2026-8452, CVE-2026-8655, CVE-2026-10816, CVE-2026-10817, and CVE-2026-13474 http://dlvr.it/TTM12f #patchmanagement

    Post summary

    The tweet announces a NetScaler security bulletin covering multiple CVEs, indicating that vendor patches are available, but provides no PoC, exploit details, or evidence of active exploitation.

    0000056
    2.0K followersView on X
  • ByteSec1401 Efshagari@Leila97726926
    Patch

    Citrix has recently released new updates to fix NetScaler ADC and NetScaler Gateway, where attackers would be able to conduct file reads and/or trigger a Denial-of-Service condition. These updates resolves the following CVEs: -> CVE-2026-8451 -> CVE-2026-8452 -> CVE-2026-8655 -> CVE-2026-10816 -> CVE-2026-10817 -> CVE-2026-13474 Details can be found in the article below. #Cybersecurity #Ransomware #Citrix #CVE #Netscaler https://thehackernews.com/2026/07/citrix-patches-six-netscaler-flaws.html

    Post summary

    Citrix has issued patches for six NetScaler vulnerabilities that could allow attackers to read files or cause denial‑of‑service conditions.

    0000087
    321 followersView on X
  • TECHEPAGES@techepages
    Patch

    🚨 6 high-severity Citrix NetScaler flaws - CVE-2026-8451 - CVE-2026-8452 - CVE-2026-8655 - CVE-2026-10816 - CVE-2026-10817 - CVE-2026-13474 All six stem from improper memory handling/input validation, enabling DoS and memory overflow. Fixes: - 14.1 → upgrade to 14.1-72.61+ - 13.1 → upgrade to 13.1-63.18+ - FIPS builds → upgrade to corresponding secure versions

    Post summary

    The tweet lists six high‑severity Citrix NetScaler CVEs, details them as memory handling flaws leading to DoS and memory overflow, and provides the specific upgrade paths to mitigate the vulnerabilities.

    0000073
    22 followersView on X
CPE platform detail5 entries

5 of 5 entries

PartVendorProductVersionTarget SWTarget HW
Appcitrixnetscaler_application_delivery_controller---
Appcitrixnetscaler_application_delivery_controller---
Appcitrixnetscaler_application_delivery_controller---
Appcitrixnetscaler_application_delivery_controller14.1-66.68--
Appcitrixnetscaler_gateway---

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