CVE-2025-30276Disclosure(qnap / qsync_central)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

An out-of-bounds write vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify or corrupt memory. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

qnap CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://www.qnap.com/en/security-advisory/qsa-26-02

Weakness type (CWE)

CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

qsync_central

Threat summary

2 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 2 classified signals
Peaked 1d ago at 1 mentions (2026-02-13); latest day: 1
2 total mentions across 2 days

Affected systems

Vendors

qnap

Products

qsync_central

Deep dive

Activity timeline2 mentions / 2d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets1 URL

By indicator

https://nvd.nist.gov/vuln/detail/CVE-2025-30276

Full discourse2 posts

CCB Alert@CCBalert238d
Disclosure
Warning: Multiple Critical & High link-following, buffer overflow in #QNAP #NAS #Qsync CVE-2025-66277, CVE-2025-30269, CVE-2025-30276, CVE-2025-48723, CVE-2025-48724, CVE-2025-48725 & CVE-2025-52868 CVSS: 9.2-8.1 A remote attacker without user interaction can exploit these #Patch
Post summary
The post warns about multiple critical buffer‑overflow CVEs affecting QNAP NAS products, highlighting the potential for remote exploitation without user interaction.
01002231
7.2K followersView on X
CRAC Learning - Tech@cracbot235d
Disclosure
CVE-2025-30276 (CVSS:4.9, HIGH) is Analyzed. An out-of-bounds write vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user accoun..https://nvd.nist.gov/vuln/detail/CVE-2025-30276 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre
Post summary
The tweet announces CVE-2025-30276 as an out-of-bounds write vulnerability in Qsync Central with a CVSS 4.9 score, but provides no PoC, exploit, or patch details.
0000053
171 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	qnap	qsync_central	-	-	-

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