Quick answers
- Is CVE-2025-68404 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-68404 being exploited in the wild.
- How severe is CVE-2025-68404?
- Informational severity, published 15 October 2026.
- Which products and versions are affected?
- QNAP QuRouter before 2.6.4.001.
- Is there a fix for CVE-2025-68404?
- Yes: fixed in QuRouter 2.6.4.001 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2025-68404 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2025-68404?
- Check whether you run QNAP QuRouter at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: QuRouter 2.6.4.001 and later
Technical details
A TOCTOU race condition exists in QuRouter where a security check and the subsequent use of that checked state are not atomic, allowing an attacker to modify system state between the check and use. The vulnerability is remotely exploitable and requires no prior authentication or user interaction. Successful exploitation could lead to security compromise of the routing appliance.
Affected products
- QNAP QuRouter before 2.6.4.001
Timeline
- 2026-10-15: disclosed