Comfast · Comfast Cf-N1 V2 · CVE-2026-2534
**Name of the Vulnerable Software and Affected Versions**
Comfast CF-N1 V2 version 2.6.0.2
**Description**
A remote command injection issue exists in Comfast CF-N1 V2 2.6.0.2. The issue is located in the `sub 44AC4C` function within the `/cgi-bin/mbox-config` file. Manipulation of the `bandwidth` argument in the 'ptest bandwidth' section of the file allows for remote code execution. The exploit for this issue has been publicly disclosed. The vendor was notified but did not respond.
**Recommendations**
For Comfast CF-N1 V2 version 2.6.0.2, as a temporary workaround, consider restricting access to the `/cgi-bin/mbox-config` file to minimize the risk of exploitation. Avoid using the `bandwidth` parameter in the affected API endpoint `/cgi-bin/mbox-config?method=SET§ion=ptest bandwidth` until the issue is resolved.