Threats / QNAP / CVE-2019-7193
CVE-2019-7193
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
QNAP QTS vulnerability
QNAP QTS contains an improper input validation vulnerability that allows remote attackers to inject and execute code on affected systems.
Verdict
Today item, not a backlog item.
This improper input validation flaw enables unauthenticated remote code execution on QNAP QTS devices. The vulnerability has been exploited in the wild and leveraged in ransomware campaigns, posing significant risk to NAS deployments.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
5 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), flagged for known ransomware use.
Probability (EPSS)
EPSS 0.14367 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: QNAP, QTS. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-20 Improper Input Validation.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious request with unvalidated input to exploit the input validation weakness in QTS.
Business
Attackers gain initial remote code execution capability without authentication, establishing a foothold on the NAS device.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I execute arbitrary code on the compromised QTS system to establish persistence and expand access.
Business
The organization loses control of the NAS, enabling data exfiltration, encryption, or lateral movement into the network.
3
Lateral reach — past segmentation narrative 3
Attacker
I deploy ransomware or data-stealing malware across the compromised infrastructure.
Business
Critical business data stored on the NAS becomes encrypted or stolen, resulting in operational disruption and potential extortion demands.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05