CVE•Published 2025-08-29•Modified 2026-10-18•1 article on news•4 live references•NVD data
CVE-2025-30277Qnap · Qsync_central
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
13
Exploit Prediction Scoring System · top 87% of all CVEs
Weaknesses (CWE)
Description
An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Qsync Central 4.5.0.7 ( 2025/04/23 ) and later
Timeline
Published 2025-08-29
Modified 2026-10-18
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-2025-30277Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Qnap Qsync Central"All exposed Qnap Qsync Central instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Qsync Central"HTTP body or banner mentions "Qsync Central" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-30277Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-30277Censys host search filtered to this CVE id.
grep.app
CVE-2025-30277Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-30277GitHub code search for direct mentions.
Google dork
"CVE-2025-30277" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-30277 on GitHub.