CVE-2025-9581CRITICAL 6.3EPSS p92.4%

CVE-2025-9581CVE-2025-9581

comfast / cf-n1_firmware

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.

Scoring

CVSS 3.16.3 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS5.31% probability of exploitation · percentile 92.4% · 2026-10-05T12:00:23Z
Published2025-08-28
Last modified2026-09-26

Underlying weaknesses· 2

CWE-74CWE-77

References

  1. https://github.com/ZZ2266/.github.io/tree/main/COMFAST/N1V2/multi_pppoe
  2. https://vuldb.com/?ctiid.321694
  3. https://vuldb.com/?id.321694
  4. https://vuldb.com/?submit.636127
  5. https://github.com/ZZ2266/.github.io/tree/main/COMFAST/N1V2/multi_pppoe

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')cwe-740%live
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.