VulnTideExploited vulnerabilities, by vendor. Data as of .
Known exploitedIn CISA's KEV catalog since Ransomware use: known
QNAP Photo Station

CVE-2022-27593: QNAP Photo Station Externally Controlled Reference Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , the same day the CVE record was published.

How likely is exploitation in the next 30 days?
87.9%

EPSS score, percentile 99.8 of all scored records

How severe?
10.0 Critical

CVSS v3.1 base score, given by the CNA

What should I do?

CISA deadline . Apply updates per vendor instructions.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • before 6.1.2
  • before 6.0.22
  • before 6.0.22
  • before 5.7.18
  • before 5.4.15
  • before 5.2.14

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

What to do

Required action, set by CISA

Apply updates per vendor instructions.

CISA due date for this action: .

Solution (from the CVE record)

QNAP have already fixed the vulnerability in the following versions: QTS 5.0.1: Photo Station 6.1.2 and later QTS 5.0.0/4.5.x: Photo Station 6.0.22 and later QTS 4.3.6: Photo Station 5.7.18 and later QTS 4.3.3: Photo Station 5.4.15 and later QTS 4.2.6: Photo Station 5.2.14 and later

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

QNAP Systems Inc. Photo Station
StatusVersions
Affectedbefore 6.1.2
QNAP Systems Inc. Photo Station
StatusVersions
Affectedbefore 6.0.22
QNAP Systems Inc. Photo Station
StatusVersions
Affectedbefore 6.0.22
QNAP Systems Inc. Photo Station
StatusVersions
Affectedbefore 5.7.18
QNAP Systems Inc. Photo Station
StatusVersions
Affectedbefore 5.4.15
QNAP Systems Inc. Photo Station
StatusVersions
Affectedbefore 5.2.14

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

About this vulnerability

Certain QNAP NAS running Photo Station with internet exposure contain an externally controlled reference to a resource vulnerability which can allow an attacker to modify system files. This vulnerability was observed being utilized in a Deadbolt ransomware campaign.

Summary: CISA's KEV catalog, as of .

  • CISA added CVE-2022-27593 to its Known Exploited Vulnerabilities (KEV) catalog on 8 Sep 2022.
  • CISA marks it as known to be used in ransomware campaigns.
  • The due date CISA sets for the required action is 29 Sep 2022.
  • The CVE record was published on 8 Sep 2022, the same day it was added to KEV.
  • The CVE record carries a CVSS v3.1 base score of 10.0 (Critical), given by its CNA.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 87.9% (percentile 99.8), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact partial.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.

Description

DeadBolt Ransomware

An externally controlled reference to a resource vulnerability has been reported to affect QNAP NAS running Photo Station. If exploited, This could allow an attacker to modify system files. We have already fixed the vulnerability in the following versions: QTS 5.0.1: Photo Station 6.1.2 and later QTS 5.0.0/4.5.x: Photo Station 6.0.22 and later QTS 4.3.6: Photo Station 5.7.18 and later QTS 4.3.3: Photo Station 5.4.15 and later QTS 4.2.6: Photo Station 5.2.14 and later

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

Weakness

  • CWE-610: Externally Controlled Reference to a Resource in Another Sphere

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
CVE record published
Added to CISA KEV
CISA due date for the required action
CVE record last updated

References

More exploited QNAP vulnerabilities

  • CVE-2023-47565: QNAP VioStor NVR OS Command Injection Vulnerability (added )
  • CVE-2019-7192: QNAP Photo Station Improper Access Control Vulnerability (added )
  • CVE-2019-7193: QNAP QTS Improper Input Validation Vulnerability (added )
  • CVE-2019-7194: QNAP Photo Station Path Traversal Vulnerability (added )
  • CVE-2019-7195: QNAP Photo Station Path Traversal Vulnerability (added )
  • CVE-2018-19943: QNAP NAS File Station Cross-Site Scripting Vulnerability (added )