CVE•Published 2026-01-02•Modified 2026-10-14•1 article on news•4 live references•NVD data
CVE-2025-52864Qnap · Quts_hero
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS percentile
27
Exploit Prediction Scoring System · top 73% of all CVEs
Description
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. 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 h5.3.0.3192 build 20250716 and later
Timeline
Published 2026-01-02
Modified 2026-10-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2025-52864Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Quts Hero"Hosts Shodan identified as running Quts Hero.
More intel sources (5)
Shodan report
vuln:CVE-2025-52864Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-52864Censys host search filtered to this CVE id.
grep.app
CVE-2025-52864Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-52864GitHub code search for direct mentions.
Google dork
"CVE-2025-52864" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.