CVE-2025-9581
criticalA vulnerability was detected in Comfast CF-N1 2.6.0.
Vendor / product: Comfast — cf-n1 firmware
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.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2025-08-28 19:15
Modified: 2026-09-26 00:10
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
comfast / cf-n1_firmware 2.6.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/ZZ2266/.github.io/tree/main/COMFAST/N1V2/multi_pppoe cna@vuldb.com
- https://vuldb.com/?ctiid.321694 cna@vuldb.com
- https://vuldb.com/?id.321694 cna@vuldb.com
- https://vuldb.com/?submit.636127 cna@vuldb.com
- https://github.com/ZZ2266/.github.io/tree/main/COMFAST/N1V2/multi_pppoe 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗