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Threats / QNAP / CVE-2019-7194
CVE-2019-7194 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

QNAP Photo Station vulnerability

QNAP Photo Station contains a path traversal vulnerability allowing remote attackers to access or modify arbitrary system files.

Verdict

Today item, not a backlog item.

A path traversal flaw in QNAP Photo Station enables unauthenticated remote file access and modification. The vulnerability has been exploited in active ransomware campaigns, presenting critical risk to affected NAS deployments.

CISA KEV Yes · 2022-06-083Ransomware use Flagged3EPSS 0.82966 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
6 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.
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.82966 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: QNAP, Photo Station. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-22 Path Traversal — weakness family: Path traversal / file.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
WeaknessCWE-22 · Path TraversalPath traversal / file
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution 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 board
1

Front door — unauthenticated access narrative 1

Attacker
I craft a malicious request with path traversal sequences to bypass file name or path restrictions in Photo Station.
Business
Attacker gains unauthorized read and write access to sensitive system files on the NAS device.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I modify or replace critical system files to establish persistence or escalate privileges on the compromised device.
Business
The NAS becomes fully compromised, enabling lateral movement into the organization's network infrastructure.
3

Lateral reach — past segmentation narrative 3

Attacker
I deploy ransomware payloads across the NAS and connected storage to encrypt business data at scale.
Business
Operations halt as critical data becomes inaccessible; ransom demands and potential data theft create severe financial and reputational damage.
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

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • Ransomware-use flag (CISA)
  • EPSS probability (FIRST)
  • 6 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Catalogued by qnap (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by qnapCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.