CVE-2025-62848

ENISA EUVD: EUVD-2025-203491 ↗
✓ Confirmed 0-Day
Triaged: March 5, 2026 1 article Published: 2025-12-16
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗

EPSS Score

Source: FIRST.org · 2026-05-23
0.15%
probability
This CVE has a 0.15% probability of being exploited in the next 30 days.
0% Top 35.2th percentile of all CVEs 100%

CVSS v4.0 NEW

Source: VulnerabilityLookup (CIRCL)
8.1
HIGH
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable System Confidentiality Impact
High
Vulnerable System Integrity Impact
High
Vulnerable System Availability Impact
High
Subsequent System Confidentiality Impact
None
Subsequent System Integrity Impact
None
Subsequent System Availability Impact
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

CVSS v3.1

Source: NVD
7.5
HIGH
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

VulnerabilityLookup (CNA)
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later

Affected Products

QNAP Systems Inc.
QTS
5.2.x
QNAP Systems Inc.
QuTS hero
h5.2.x h5.3.x

Signal Intelligence

Confidenceⓘ
85%
EPSS 0.15%
CVSS v4.0 8.1
CVSS v3.1 7.5
Mentions 1
Last Seen Nov 07, 2025

CNA Information

CNA Assigner
qnap
CNA Title
QTS, QuTS hero

Analyst Note

CVE-2025-62848 is explicitly named as one of seven zero-day flaws exploited at Pwn2Own in the BleepingComputer article. QNAP published patches (build 20251024) on or very near the CVE publication date (2025-12-16), indicating exploitation preceded or coincided with patch availability, meeting zero-day criteria.

Threat Actors 2

Hacking Team
apt_group 🇮🇹 IT
Mana Team
apt_group 🇨🇳 CN

Triage Info

Decided atMar 05, 2026
Published DateDec 16, 2025