6.5

CVE-2025-52429: qnap systems inc. qts

CVSS: 6.5v3.1MediumAnalyzed
Published 03-10-2025Last modified 03-10-2025

Vulnerability summary

CVE-2025-52429 is a medium (CVSS 6.5) vulnerability in qnap systems inc. qts. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-10-2025
    PublishedVulnerability first disclosed.
  2. 03-10-2025
    Last modifiedVulnerability information updated.

Description

A use of externally-controlled format string 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 obtain secret data or modify memory. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

0.00 pp

From 0.36% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap2 products
  • qts5.2.0.2737:build_20240417 | 5.2.0.2744:build_20240424 | 5.2.0.2782:build_20240601 | 5.2.0.2802:build_20240620 | 5.2.0.2823:build_20240711 | 5.2.0.2851:build_20240808 | 5.2.0.2860:build_20240817 | 5.2.1.2930:build_20241025 | 5.2.2.2950:build_20241114 | 5.2.3.3006:build_20250108 | 5.2.4.3070:build_20250312 | 5.2.4.3079:build_20250321 | 5.2.4.3092:build_20250403 | 5.2.5.3145:build_20250526
  • quts_heroh5.2.0.2737:build_20240417 | h5.2.0.2782:build_20240601 | h5.2.0.2789:build_20240607 | h5.2.0.2802:build_20240620 | h5.2.0.2823:build_20240711 | h5.2.0.2851:build_20240808 | h5.2.0.2860:build_20240817 | h5.2.1.2929:build_20241025 | h5.2.1.2940:build_20241105 | h5.2.2.2952:build_20241116 | h5.2.3.3006:build_20250108 | h5.2.4.3070:build_20250312 | h5.2.4.3079:build_20250321 | h5.2.5.3138:build_20250519
Qnap systems inc.2 products
  • qts≥ 5.2.x, < 5.2.6.3195 build 20250715
  • quts hero≥ h5.2.x, < h5.2.6.3195 build 20250715

2 vendors · 4 products

References

1 links