How severe is CVE-2025-62845?

CVE-2025-62845 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-62845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-62845?

CVE-2025-62845 primarily affects Qnap Qurouter. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-62845?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-62845 have an EU (EUVD) identifier?

Yes. CVE-2025-62845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208899.

When was CVE-2025-62845 published?

CVE-2025-62845 was published on 2026-03-20 and last updated on 2026-06-17.

CVE-2025-62845

CVE-2025-62845 is a medium-severity vulnerability in Qnap Qurouter with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-150.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v4: 5.6
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208899
Weakness: CWE-150
Affected product: Qnap Qurouter
Published: 2026-03-20
Last modified: 2026-06-17

Description

An improper neutralization of escape, meta, or control sequences vulnerability has been reported to affect QHora. If a local attacker gains an administrator account, they can then exploit the vulnerability to cause unexpected behavior. We have already fixed the vulnerability in the following version: QuRouter 2.6.3.009 and later

Frequently asked questions

What is CVE-2025-62845?: An improper neutralization of escape, meta, or control sequences vulnerability has been reported to affect QHora. If a local attacker gains an administrator account, they can then exploit the vulnerability to cause unexpected behavior. We have already fixed the vulnerability in the following version: QuRouter 2.6.3.009 and later
How severe is CVE-2025-62845?: CVE-2025-62845 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-62845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-62845?: CVE-2025-62845 primarily affects Qnap Qurouter. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-62845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-62845 have an EU (EUVD) identifier?: Yes. CVE-2025-62845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208899.
When was CVE-2025-62845 published?: CVE-2025-62845 was published on 2026-03-20 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-26-12

Affected products (4)

cpe:2.3:o:qnap:qurouter:2.6.0.239:build_20250625:*:*:*:*:*:*
cpe:2.3:o:qnap:qurouter:2.6.0.688:build_20250818:*:*:*:*:*:*
cpe:2.3:o:qnap:qurouter:2.6.1.028:build_20251001:*:*:*:*:*:*
cpe:2.3:o:qnap:qurouter:2.6.2.007:build_20251027:*:*:*:*:*:*

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