Medium severity · published Mar 20, 2026
CVE-2025-62845
An improper neutralization of escape, meta, or control sequences vulnerability has been reported to affect QHora
6.7
CVSS
0.2%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QU
QuRouter · QNAP Systems Inc.
2.6.x before 2.6.3.009 · source: vendor, NVD
In the news
VulnerabilityMedium
ZDI-26-240: (Pwn2Own) QNAP QHora-322 qvpn_db_mgr role_type Improper Neutralization of Escape Sequences Authentication Bypass Vulnerability
This vulnerability allows remote attackers to bypass authentication on affected QNAP QHora-322 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The ZDI has assigned a CVSS rating of 6.3. The following CVEs are assigned: CVE-2025-62845.
Mar 30, 2026·Zero Day Initiative
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-62845
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-62845
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-26-12
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