CVE-2018-25365 PCViewer vt1000 Directory Traversal via GET Request
Unauthenticated attackers can read arbitrary system files via directory traversal in GET requests on PCViewer vt1000 devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-25365?
CVE-2018-25365 is a high-severity path traversal vulnerability in PCViewer, published on 25 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PCViewer vt1000 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by submitting relative path sequences in GET requests. Attackers can use path traversal sequences ../../../../../../../../../../../../etc/passwd to access sensitive system files outside the intended directory.
Weakness: CWE-22
Which versions are affected by CVE-2018-25365?
How do I fix CVE-2018-25365?
No fix has been published for CVE-2018-25365 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-2018-25365 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25365 exists.
Sources
Also known as GHSA-2q9f-876r-jm5f.