Vulnerability record

CVE-2026-124580

criticalCVSS 4.0 9.3EPSS 2.8%Published · Chengdu Feiyuxing Technology

The short answer

CVE-2026-124580 affects Chengdu Feiyuxing Technology VW2100 and is rated critical (CVSS 9.3). It is not in CISA's KEV catalog; EPSS puts the chance of exploitation in the next 30 days at 2.8%.

What it is

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.

Weakness: CWE-77, CWE-78.

Severity

9.3 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploited (CISA KEV)

Not listed

CISA lists confirmed exploitation only

EPSS, next 30 days

2.8%

Higher than 87% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Attack requirements
None
Privileges required
None
User interaction
None
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Affected products

VW2100, VEC10GP. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2026-124580 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-11. FIRST's EPSS estimates a 2.8% chance of exploitation in the next 30 days.

How do I fix CVE-2026-124580?

Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Deferred. The description is NVD's text, quoted as published.

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