CVE-2018-3949 Path traversal in TP-Link
An attacker can exploit a directory traversal flaw in the TP-Link TL-R600VPN HTTP server to disclose sensitive system files via crafted URLs.
- 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-2018-3949?
CVE-2018-3949 is a high-severity path traversal vulnerability in Talos TP-Link, published on 1 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exploitable information disclosure vulnerability exists in the HTTP server functionality of the TP-Link TL-R600VPN. A specially crafted URL can cause a directory traversal, resulting in the disclosure of sensitive system files. An attacker can send either an unauthenticated or an authenticated web request to trigger this vulnerability.
Weakness: CWE-22
Which versions are affected by CVE-2018-3949?
It affects 1 product.
Products include Tp-Link Tl-R600vpn Firmware.
How do I fix CVE-2018-3949?
No fix has been published for CVE-2018-3949 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-2018-3949 being exploited?
There is no known exploitation of CVE-2018-3949 in the wild and no public exploit code.
Other vulnerabilities in Talos TP-Link
Sources
Also known as GHSA-x5wc-6mvj-2wxv.