CVE-2025-9581 Comfast CF-N1 webmgnt multi_pppoe command injection
Remote attackers can execute arbitrary commands on Comfast CF-N1 routers via the multi_pppoe function in webmgnt.
- 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-2025-9581?
CVE-2025-9581 is a medium-severity command injection vulnerability in Comfast CF-N1, published on 28 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in Comfast CF-N1 2.6.0. This impacts the function multi_pppoe of the file /usr/bin/webmgnt. Performing manipulation of the argument phy_interface results in command injection. The attack may be initiated remotely. The exploit is now public and may be used.
Which versions are affected by CVE-2025-9581?
It affects 1 product.
Products include Comfast Cf-N1 Firmware.
How do I fix CVE-2025-9581?
No fix has been published for CVE-2025-9581 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-9581 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9581 exists.
Other vulnerabilities in Comfast CF-N1
- CVE-2026-2534 Comfast CF-N1 V2 mbox-config sub_44AC4C command injection
- CVE-2026-2535 Comfast CF-N1 V2 mbox-config sub_44AB9C command injection
- CVE-2025-9582 Comfast CF-N1 webmgnt ntp_timezone command injection
- CVE-2025-9583 Comfast CF-N1 webmgnt ping_config command injection
- CVE-2025-9584 Comfast CF-N1 webmgnt update_interface_png command injection
Sources
Also known as GHSA-mp65-ffv8-jv88.