CVE•Published 2026-06-10•Modified 2026-06-17•1 article on news•5 live references•NVD data
CVE-2026-26240Qnap · File_station
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS percentile
23
Exploit Prediction Scoring System · top 77% of all CVEs
Weaknesses (CWE)
Description
A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later
Timeline
Published 2026-06-10
Modified 2026-06-17
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-2026-26240Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Qnap File Station"All exposed Qnap File Station instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"File Station"HTTP body or banner mentions "File Station" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-26240Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-26240Censys host search filtered to this CVE id.
grep.app
CVE-2026-26240Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-26240GitHub code search for direct mentions.
Google dork
"CVE-2026-26240" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.