# CVE-2026-124580: Chengdu Feiyuxing Technology VW2100/VEC10GP Weixin Auth Endpoint webserver handle_wechat_cn_wifi os command injection

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

A vulnerability was found in Chengdu Feiyuxing Technology VW2100 and VEC10GP 1.0 B-MB3W202-210825-r11775. This impacts the function handle_wechat_cn_wifi of the file var/html/webserver of the component Weixin Auth Endpoint. The manipulation of the argument extend results in os command injection. The attack can be executed remotely. 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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Chengdu Feiyuxing Technology / VW2100: 1.0 B-MB3W202-210825-r11775 (affected). Source: CNA: VulDB
- Chengdu Feiyuxing Technology / VEC10GP: 1.0 B-MB3W202-210825-r11775 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 10 (critical); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P; source: CNA: VulDB

- CVSS 3.1: 10 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R; source: CNA: VulDB

- CVSS 3.0: 10 (critical); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R; source: CNA: VulDB

- CVSS 2.0: 10 (critical); AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-78, CWE-77

## Exploit evidence

- exploit: https://github.com/Walnut1337/Feiyuxing_VROS_command_injection/blob/main/poc_weixin_auth.py (CNA: VulDB)

## References

- https://vuldb.com/vuln/432937 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/432937/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-124580 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1038438 (CNA: VulDB; third-party-advisory)

- https://github.com/Walnut1337/Feiyuxing_VROS_command_injection/blob/main/README.md (CNA: VulDB; related)

- https://github.com/Walnut1337/Feiyuxing_VROS_command_injection/blob/main/poc_weixin_auth.py (CNA: VulDB; exploit)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-124580; retrieved 2026-11-09; source updated 2026-11-09

Revision: 1204e8a066dfce0131d5f182ede44deb14fe28b5e08e2bbc695ac2228e190add

Canonical: https://y2.dev/cve/CVE-2026-124580

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