CVE-2025-62848: qts Null Dereference — Fix

Description

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

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	qts	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All
qnap	quts_hero	All

References

Advisories & Patches

https://www.qnap.com/en/security-advisory/qsa-25-45

Frequently Asked Questions

What is CVE-2025-62848? +

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 It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-62848? +

CVE-2025-62848 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-62848? +

CVE-2025-62848 affects products from qnap, specifically: qts, quts_hero. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-62848? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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