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CVE Record

CVE-2025-62851: License Center

A path traversal vulnerability has been reported to affect License Center. If a local attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: License Center 1.9.56 and later

MediumCVSS 6.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

QNAP License Center has a path traversal flaw that could let an attacker with administrator access read files or system data they should not reach. This is not described as remote unauthenticated compromise, but it can increase damage after an admin account is taken over.

Executive priority

Treat this as a moderate-priority QNAP maintenance and hardening item. Patch promptly where License Center is installed, especially on business-critical storage, because the flaw can expose sensitive files after administrator access is compromised.

Technical view

CVE-2025-62851 is a CWE-22 path traversal issue in QNAP License Center. The source states a local attacker who gains an administrator account can read unexpected files or system data. CVSS 4.0 is 6.9, with high confidentiality impact and no stated integrity or availability impact.

Likely exposure

Exposure is most likely on QNAP systems running License Center before the vendor-fixed release. The bundle specifically names QNAP License Center 1.9.0 and states License Center 1.9.56 and later are fixed.

Exploitation context

The bundle does not report active exploitation, and the CVE is not in KEV. Exploitation requires administrator privileges according to the description, making this mainly a post-compromise or insider-risk concern rather than an initial access issue.

Researcher notes

Evidence is limited to the CVE record and QNAP advisory data in the bundle. Note the description says a local attacker with an administrator account, while the CVSS vector lists network attack vector and high privileges. Do not infer broader exploitability without vendor clarification.

Mitigation direction

  • Upgrade QNAP License Center to version 1.9.56 or later.
  • Review QNAP advisory QSA-26-28 for current vendor instructions.
  • Limit and audit administrator accounts on affected QNAP systems.
  • Use strong authentication controls for QNAP administrator access.
  • Monitor vendor channels for any revised affected-version guidance.

Validation and detection

  • Inventory QNAP systems running License Center.
  • Confirm the installed License Center version is 1.9.56 or later.
  • Check whether License Center 1.9.0 exists in the environment.
  • Review administrator account activity for unusual access patterns.
  • Verify remediation against QNAP advisory QSA-26-28.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-22: File access and web shell behavior lookup

File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2025-62851 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.9 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.9CVSS 4.0MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——qnap

Vulnerability scoring details

Base CVSS 4.0 score

6.9Medium
CVSS 4.0 vector shape for CVE-2025-62851Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
QNAP Systems Inc.License Center1.9.0unaffected
Weakness

CWE details

CWE-22

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.