CVE-2026-124580
Chengdu Feiyuxing Technology VW2100/VEC10GP Weixin Auth Endpoint webserver handle_wechat_cn_wifi os command injection
- Critical 10.0
- 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 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.
Key facts
- Published
- 9 Nov 2026
- Last changed
- 12 Nov 2026
- Assigned by
- VulDB
- EPSS
- 2.794% likely to be exploited in the next 30 days, higher than 86.661% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: poc; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 10.0CVSS 4.0, Criticalfrom the CNA (VulDB)
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 - 10.0CVSS 3.1, Criticalfrom the CNA (VulDB)
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 - 10.0CVSS 3.0, Criticalfrom the CNA (VulDB)
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 - 10.0CVSS 2.0, Highfrom the CNA (VulDB)
AV:N/AC:L/Au:N/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.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Chengdu Feiyuxing Technology | VW2100 |
|
| Chengdu Feiyuxing Technology | VEC10GP |
|
Timeline
- 8 Nov 2026 Advisory disclosed
- 8 Nov 2026 VulDB entry created
- 8 Nov 2026 VulDB entry last update
- 9 Nov 2026 Published
Weakness
Practice this bug class
HackZoneLabs has a hands-on lab on OS command injection (CWE-78).
References
- VDB-432937 | Chengdu Feiyuxing Technology VW2100/VEC10GP Weixin Auth Endpoint webserver handle_wechat_cn_wifi os command injection
- VDB-432937 | CTI Indicators (IOB, IOC, TTP, IOA)
- CVE-2026-124580 | CVE Analysis and Report
- Submit #1038438 | Chengdu Feiyuxing Technology Co., Ltd. (成都飞鱼星科技; adslr.com) VW2100 V1.0 / VEC10GP V1.0 (VROS) B-MB3W202-210825-r11775 and earlier builds Command Injection
- github.com
- github.com