CVE-2025-33033 Qsync Central
Authenticated remote attackers can exploit a path traversal flaw in Qsync Central to read arbitrary files and system data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-33033?
CVE-2025-33033 is a high-severity path traversal vulnerability in Qnap Qsync Central, published on 29 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A path traversal vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data.
We have already fixed the vulnerability in the following version: Qsync Central 4.5.0.7 ( 2025/04/23 ) and later
Weakness: CWE-22
Which versions are affected by CVE-2025-33033?
It affects 1 product.
Products include Qnap Qsync Central.
How do I fix CVE-2025-33033?
No fix has been published for CVE-2025-33033 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-33033 being exploited?
There is no known exploitation of CVE-2025-33033 in the wild and no public exploit code.
Other vulnerabilities in Qnap Qsync Central
Sources
Also known as GHSA-8f3w-54xp-w3h6.