CVE-2026-2550 EFM iptime A6004MX timepro.cgi commit_vpncli_file_upload unrestricted upload
Remote attackers can upload arbitrary files via the VPN client upload function in EFM iptime A6004MX routers, potentially leading to code execution.
- 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-2026-2550?
CVE-2026-2550 is a critical vulnerability in EFM iptime A6004MX, published on 16 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in EFM iptime A6004MX 14.18.2. Affected is the function commit_vpncli_file_upload of the file /cgi/timepro.cgi. The manipulation results in unrestricted upload. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-2550?
How do I fix CVE-2026-2550?
No fix has been published for CVE-2026-2550 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2550 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2550 exists.
Sources
Also known as GHSA-xj75-c4vf-wp8x.