PatchTheCVECVE-2025-68404: A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter
CVE-2025-68404 is a high-severity flaw (CVSS 7.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Passive |
| EPSS exploit chance | 0.2% (top 96%) |
| CISA exploited list | No |
| Weakness | CWE-367 |
| Published | 2026-10-15 |
| Last modified | 2026-10-19 |
Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-68404?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2025-68404 being exploited?
CVE-2025-68404 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-68404 affect?
CVE-2025-68404 affects affected software. Severity is high (CVSS 7.5). 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 vulner
How urgent is CVE-2025-68404?
Priority 27/100. High severity