ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2023-32973

CVE-2023-32973 is listed by A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions..

Published Oct 13, 2023 · catalog updated Jun 17, 2026 · the affected product

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-32973. EPSS is 0.59%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.59%
Remediation
Version ranges on file
Affected products
cpe qnap/qts · cpe qnap/quts hero

CVE-2023-32973 is listed by A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions..

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe qnap/qts< 4.5.4.2467
  • cpe qnap/qts< 5.0.1.2425
  • cpe qnap/qts< 5.1.0.2444
  • cpe qnap/quts hero< h4.5.4.2476
  • cpe qnap/quts hero< h5.0.1.2515
  • cpe qnap/quts hero< h5.1.0.2424

How to fix CVE-2023-32973

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-32973. EPSS is 0.59%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Compare what you have installed with qnap/quts hero < h4.5.4.2476; qnap/quts hero < h5.0.1.2515; qnap/quts hero < h5.1.0.2424. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-120: Classic Buffer Overflow; CWE-121: Stack-based Buffer Overflow; CWE-787: Out-of-bounds Write. EPSS 0.59%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

QNAP QTS security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2023 · Monitored products — high

    Detected

    CVE-2023-32973 is listed by A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions..

  2. Jun 17, 2026 · Monitored products — high

    Updated

    CVE-2023-32973 is listed by A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions..

Sources

  • CVE.orgVulnerability recordCVE-2023-32973

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2023-32973

    A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 2

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 7, 2026
  • Monitored products — highNov 6, 2026