Vulnerability · Published Aug 28, 2025 · Assigned by VulDB
CVE-2025-9581Comfast CF-N1 webmgnt multi_pppoe command injection
Medium 6.3
In plain English
A medium-severity command injection in CF-N1 from Comfast. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.8% (higher than 92% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)4.8%top 8.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-321694 | Comfast CF-N1 webmgnt multi_pppoe command injection vdb-entry, technical-description
- VDB-321694 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #636127 | COMFAST COMFAST CF-N1 V2 V2.6.0 Command Injection third-party-advisory
- https://github.com/ZZ2266/.github.io/tree/main/COMFAST/N1V2/multi_pppoe exploit