Vulnerability details
CVE-2025-68404
QNAP Systems QuRouter
vcs_pentest Race Condition Authentication Bypass Vulnerability in QuRouter management interface
CVSS 4.0
7.5High
Official description
A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter. If exploited, the vulnerability could allow remote attackers to compromise the security of the system. We have already fixed the vulnerability in the following version: QuRouter 2.6.4.001 and later
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 4.0 | CVEProject cvelistV5 (CNA) (qnap) | CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| QNAP Systems Inc. | QuRouter | 2.6.x ≤ v < 2.6.4.001 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-10-15
- Last updated
- 2026-10-15
- State
- Published
- Assigner (CNA)
- qnap
Exploit prediction (EPSS)
0.15%
Probability of exploitation in 30 days
4.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-367