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CVE-2025-57705· NVD / CVE Program· CNA qnap

An allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system versions.

An allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later

MediumCVSS 4.6 · v4.0—No exploit No fix recorded
Published
Jan 2, 2026
Updated
Jun 17, 2026
EPSS
0.4% · 27th percentile
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Report tools

JSON

Action score

18

Monitor

Low priority for now.

CVSS
18 / 40 · 4.6 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · qnap
4.6
NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
qnapquts hero
qnapqts

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • qnap qts5.2.0.2737
  • qnap qts5.2.0.2744
  • qnap qts5.2.0.2782
  • qnap qts5.2.0.2802
  • qnap qts5.2.0.2823
  • qnap qts5.2.0.2851
  • qnap qts5.2.0.2860
  • qnap qts5.2.1.2930
  • qnap qts5.2.2.2950
  • qnap qts5.2.3.3006
  • qnap qts5.2.4.3070
  • qnap qts5.2.4.3079
  • qnap qts5.2.4.3092
  • qnap qts5.2.5.3145
  • qnap qts5.2.6.3195
  • qnap qts5.2.6.3229
  • qnap quts heroh5.2.0.2737
  • qnap quts heroh5.2.0.2782
  • qnap quts heroh5.2.0.2789
  • qnap quts heroh5.2.0.2802

Versions reported by the vendor

Affected version ranges reported by the assigning authority (qnap). Independent of NVD's CPE analysis and usually ahead of it.

  • QNAP Systems Inc. QTS

    • 5.2.x and later · before 5.2.7.3256 build 20250913affected

  • QNAP Systems Inc. QuTS hero

    • h5.2.x and later · before h5.2.7.3256 build 20250913affected
    • h5.3.x and later · before h5.3.1.3250 build 20250912affected

Same product

qnap: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-7198Command Injection Vulnerability in QTS and QuTS hero
    40Plan
  • CVE-2020-2498Cross-site scripting vulnerability in QTS and QuTS hero
    24Monitor
  • CVE-2020-2497Cross-site scripting vulnerability in QTS and QuTS hero
    24Monitor
  • CVE-2020-2496Cross-site scripting vulnerability in QTS and QuTS hero
    24Monitor
  • CVE-2020-2495Cross-site scripting vulnerability in QTS and QuTS hero
    24Monitor
  • CVE-2025-62850A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.
    20Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-472080 days apartAn allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system versions.
    19Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
X

Weakness class (CWE)

CWE-770 · Allocation of Resources Without Limits or Throttling

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records