CVE-2026-124585

Chengdu Feiyuxing Technology VW2100/VEC10GP Web Administration webserver add_expmac os command injection

  • Critical 9.9
  • A public exploit reference is listed

Description

A vulnerability was found in Chengdu Feiyuxing Technology VW2100 and VEC10GP 1.0 B-MB3W202-210825-r11775. This issue affects the function add_expmac of the file var/html/webserver of the component Web Administration Interface. The manipulation of the argument mac results in os command injection. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key facts

Published
9 Nov 2026
Last changed
12 Nov 2026
Assigned by
VulDB
EPSS
2.208% likely to be exploited in the next 30 days, higher than 82.875% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: poc; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.4CVSS 4.0, Criticalfrom the CNA (VulDB)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
  • 9.9CVSS 3.1, Criticalfrom the CNA (VulDB)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
  • 9.9CVSS 3.0, Criticalfrom the CNA (VulDB)CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
  • 9.0CVSS 2.0, Highfrom the CNA (VulDB)AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Chengdu Feiyuxing TechnologyVW2100
  • 1.0 B-MB3W202-210825-r11775 (affected)
Chengdu Feiyuxing TechnologyVEC10GP
  • 1.0 B-MB3W202-210825-r11775 (affected)

Timeline

  1. 8 Nov 2026 Advisory disclosed
  2. 8 Nov 2026 VulDB entry created
  3. 8 Nov 2026 VulDB entry last update
  4. 9 Nov 2026 Published

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on OS command injection (CWE-78).

References