PT-2025-35132 · Comfast · Comfast Cf-N1

N0Ps1Ed · Published 2025-08-28 · Updated 2025-08-28 · CVE-2025-9581

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Comfast CF-N1 version 2.6.0

Description A vulnerability exists in Comfast CF-N1 version 2.6.0 within the multi pppoe function located in the /usr/bin/webmgnt file. Manipulation of the phy interface argument can lead to command injection. This issue may be exploited remotely. The exploit is publicly available.

Recommendations As a temporary workaround, consider restricting access to the multi pppoe function until a patch is available.

Exploit

Fix

Special Elements Injection

Command Injection

Weakness Enumeration

CWE-74

CWE-77

Related Identifiers

CVE-2025-9581

Affected Products

Comfast Cf-N1

References · 8

• 🔥 https://github.com/ZZ2266/.github.io/tree/main/COMFAST/N1V2/multi_pppoe · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-9581 · Security Note
• https://osv.dev/vulnerability/CVE-2025-9581 · Vendor Advisory
• https://twitter.com/CVEnew/status/1961148300733894927 · Twitter Post
• https://vuldb.com/?id.321694 · Note
• https://vuldb.com/?submit.636127 · Note
• https://t.me/CVEtracker/31163 · Telegram Post
• https://vuldb.com/?ctiid.321694 · Note