Quick answers
- Is CVE-2025-29896 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-29896 being exploited in the wild.
- How severe is CVE-2025-29896?
- Informational severity, published 15 October 2026.
- Which products and versions are affected?
- QNAP Qsync Central before 5.0.0.4.
- Is there a fix for CVE-2025-29896?
- Yes: fixed in Qsync Central 5.0.0.4 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2025-29896 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2025-29896?
- Check whether you run QNAP Qsync Central 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: Qsync Central 5.0.0.4 and later
Technical details
A NULL pointer dereference in Qsync Central allows an authenticated remote attacker to trigger a denial-of-service condition by causing the application to crash. The vulnerability requires prior authentication with a valid user account. The attack vector is network-based and does not require elevated privileges or additional user interaction beyond account access.
Affected products
- QNAP Qsync Central before 5.0.0.4
Timeline
- 2026-10-15: disclosed