High

SQL Injection RCE in QNAP QHora-322 qvpn_db_mgr

IdentifiersCVE-2025-62846CWE-89· Improper Neutralization of Special…

CVE-2025-62846 is an SQL injection vulnerability affecting QNAP QHora-322 routers, specifically within the qvpn_db_mgr module. The flaw is caused by improper validation of a user-supplied string before it is incorporated into SQL query construction, described in the available reporting as a username SQL injection issue. Successful exploitation allows an attacker to leverage the SQL injection condition to execute unauthorized commands and achieve arbitrary code execution on the affected device. Available reporting indicates code execution occurs in the context of root. QNAP states the issue is fixed in QuRouter 2.6.2.007 and later, while other reporting references remediation in later QuRouter releases as well.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can result in arbitrary code execution as root on the affected QNAP QHora-322 router. This gives an attacker full compromise of the device, including the ability to execute unauthorized commands, alter system configuration, access or manipulate sensitive data handled by the router and VPN components, and disrupt device operation. The available reporting assigns a CVSS 8.8 severity and characterizes the issue as enabling remote code execution on affected installations.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, restrict administrative access to the router management and VPN-related interfaces to trusted hosts only, disable unnecessary remote administration exposure, and segment management access from untrusted networks. Because exploitation is tied to the qvpn_db_mgr component and administrative context, organizations should minimize exposure of management services, enforce strong credential hygiene, monitor for anomalous administrative activity, and review logs for suspicious access or command execution until the firmware update can be applied. These are interim measures only; vendor patching is the primary mitigation.

Remediation

Patch, then assume compromise.

Upgrade affected QNAP QHora devices to a fixed QuRouter release. QNAP states the vulnerability is fixed in QuRouter 2.6.2.007 and later. Supporting reporting also references vendor remediation in QuRouter 2.6.3.009 and cites QNAP security advisory QSA-26-12. Apply the latest vendor-provided firmware update for the affected product line and verify the device is running a release that includes the fix for CVE-2025-62846.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

QNAP SystemsQurouterapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

3 SOURCESView more in app

security affairsNews

Mar 23, 2026

QNAP fixed four vulnerabilities demonstrated at Pwn2Own Ireland 2025

An SQL injection vulnerability in QNAP QHora devices that can allow an attacker with administrative credentials to execute unauthorized commands.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity1