Rapid Response Testing for CVEs and KEVs That Matter
Targeted validation for emerging vulnerabilities
When high-risk vulnerabilities surface, security teams need to move fast — but without false positives or unnecessary disruption. NodeZero® Rapid Response delivers focused, precision testing for newly released or actively exploited CVEs. This isn’t a scan or a simulation. It’s a safe, live-fire test that confirms whether an exploit works in your environment.
How Rapid Response works
ZendTo Path Traversal Vulnerability
CVE-2025-34508
CISA-KEV
Discovered by Horizon3
A Rapid Response test is available for this vulnerability.
CVE-2025-34508 is a path traversal vulnerability in the file dropoff functionality of ZendTo versions 6.15-7 and prior. This could allow a malicious actor to retrieve the files of other ZendTo users, retrieve files on the host system, or cause a denial of service.
Driven by our Attack Team’s research
As soon as a new vulnerability is disclosed, our team assesses its exploitability and relevance. If it’s easy to weaponize and widely used, we add a working exploit — either public or custom-built — into NodeZero as a targeted test, often within hours.
Citrix NetScaler Remote Code Execution
CVE-2025-5777
CISA-KEV
Citrix NetScaler contains a buffer overread vulnerability that can reflect memory contents from the server to the client. This vulnerability can be exploited by an unauthenticated attacker to read sensitive information from the server’s memory, potentially leading to further attacks.
Single-threat focus, real exploit execution
Each Rapid Response test validates one critical threat — often tied to a known CISA KEV or trending exploit in the wild. NodeZero runs the actual exploit in production, showing whether you’re truly exposed — no full pentest required.
Built for immediate decision-making
The result is a clear answer: are you exploitable or not? Each finding includes affected assets, execution paths, and whether defenses intervened — giving teams evidence to drive remediation, response, and escalation.
Wing FTP
CVE-2025-47812
Completed
In the News
A Rapid Response test is available for this vulnerability.
CVE-2025-47812 is a critical vulnerability in Wing FTP Server versions prior to 7.4.4 that allows attackers to execute arbitrary commands on the server without authentication by exploiting improper input validation.
Vendor Advisory
05/14/2025
Third-party Advisory
06/30/2025
Horizon3 begins Rapid Response Assessment
07/01/2025
Exploit Added to NodeZero
07/10/2025
Flare Alerts: Optional early warning
Opt-in notifications for likely exposure
Some Rapid Response vulnerabilities align with conditions seen in past NodeZero tests. Customers who opt in allow Horizon3.ai to re-analyze past NodeZero results when a new test is released. If there’s a strong match, we send a proactive alert recommending the test be run.
Flare Alerts are grounded in real evidence — never speculation. They’re optional, privacy-respecting, and designed to help teams act early without default data retention or intrusive monitoring.
ZendTo Path Traversal Vulnerability
CVE-2025-34508
CISA-KEV
Discovered by Horizon3
A Rapid Response test is available for this vulnerability.
CVE-2025-34508 is a path traversal vulnerability in the file dropoff functionality of ZendTo versions 6.15-7 and prior. This could allow a malicious actor to retrieve the files of other ZendTo users, retrieve files on the host system, or cause a denial of service.
Why Rapid Response changes the playbook
You test emerging threats — without waiting for patch cycles
Rapid Response confirms real-world risk before fixes are applied — giving you time to act strategically.
You prioritize based on proof, not panic
Exploitability is confirmed or ruled out with evidence — not vendor advisories or CVSS scores.
You stay aligned with the latest threat activity
Many Rapid Response tests target CVEs added to the CISA KEV or known to be actively exploited.
You close the gap between disclosure and defense
Whether it’s testing during a zero-day surge or acting on Flare Alerts, Rapid Response helps you stay ahead.
What security teams can now prove
We validated exposure to a real exploit
Not just “potentially vulnerable” — we can confirm that [CVE-XXXX] is exploitable in our environment.
We respond to critical CVEs same-day
Rapid Response lets us triage and validate risks within hours of disclosure.
We’re covered against the KEVs that matter
Many Rapid Response tests directly support CISA KEV coverage — and we can prove our status.
We’ve operationalized threat intelligence
Every new test becomes a control check — tied to attacker behavior, not just headlines.