CVE-2026-15204 TOTOLINK X5000R OpenVPN Export cstecgi.cgi exportOvpn path traversal
A remote attacker can exploit a path traversal vulnerability in the OpenVPN export function to read arbitrary files from the TOTOLINK X5000R router.
- 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-2026-15204?
CVE-2026-15204 is a medium-severity path traversal vulnerability in TOTOLINK X5000R, published on 9 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415_B20250515/9.1.0cu.2350_B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched remotely.
Weakness: CWE-22
Which versions are affected by CVE-2026-15204?
How do I fix CVE-2026-15204?
No fix has been published for CVE-2026-15204 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-2026-15204 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15204 exists.
Sources
Also known as GHSA-c6wm-vgr9-6gqx.