Threats / QNAP / CVE-2022-27593
CVE-2022-27593
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
QNAP Photo Station vulnerability
QNAP Photo Station contains an externally controlled resource reference vulnerability allowing attackers to modify system files on internet-exposed NAS devices. This flaw was exploited in the Deadbolt ransomware campaign.
Verdict
Today item, not a backlog item.
An externally controlled reference vulnerability in QNAP Photo Station enables remote file modification on exposed systems. Active exploitation by Deadbolt ransomware demonstrates critical risk to NAS deployments with internet access.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
471 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 2022-09-08), flagged for known ransomware use.
Probability (EPSS)
EPSS 0.87908 — 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.
Weakness (CWE)
Mapped to CWE-610 CWE-610.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
WeaknessCWE-610 · CWE-610
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 referencing an external resource to manipulate the Photo Station application.
Business
Attacker gains ability to modify arbitrary system files on the NAS device.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I leverage file modification capabilities to deploy ransomware payloads or establish persistence on the compromised system.
Business
Critical data becomes encrypted or inaccessible; operational continuity is disrupted.
3
Lateral reach — past segmentation narrative 3
Attacker
I demand ransom payment for decryption keys or data restoration.
Business
Organization faces financial extortion, potential data loss, 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