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CVE-2026-124580

Chengdu Feiyuxing Technology VW2100/VEC10GP Weixin Auth Endpoint webserver handle_wechat_cn_wifi os command injection

CVSS score

10.0

EPSS probability

%2.8

Risk score

0.3

Published

1 d ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach AI Explanation

Verified against sources

Chengdu Feiyuxing Technology VW2100 and VEC10GP Weixin Auth Endpoint OS Command Injection Vulnerability

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A vulnerability in Chengdu Feiyuxing Technology VW2100 and VEC10GP allows remote os command injection. The issue impacts the handle_wechat_cn_wifi function of the Weixin Auth Endpoint component, and a public exploit is available.

Why does it matter?

This critical vulnerability permits remote exploitation without authentication, posing severe risks of system compromise. The vendor has not responded to disclosures, and the patch status remains unknown.

What should be done?

  • Follow vendor advisories until an official fix is verified
  • Isolate vulnerable endpoints and network components
  • Monitor network traffic for public exploit indicators
Chain of evidence and sources3 verified claims

Chengdu Feiyuxing Technology VW2100 ve VEC10GP cihazlarında Weixin Auth Endpoint bileşeni etki altındadır.

S0 · daybreach-canonicalS1 · cvelist

Saldırganlar extend parametresini manipüle ederek uzaktan işletim sistemi komut enjeksiyonu gerçekleştirebilir.

S0 · daybreach-canonicalS1 · cvelist

Zafiyet için kamuya açık bir istismar mevcuttur ve satıcı bildirimlere yanıt vermemiştir.

S0 · daybreach-canonicalS1 · cvelist
Show the technical text from the sources

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.

CVSS vector: 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

CWE: CWE-78, CWE-77

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-124580 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Chengdu Feiyuxing TechnologyVW2100 View
2Chengdu Feiyuxing TechnologyVEC10GP View
Total affected vendors: 1|Products: 2

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
10.0CVSS V4_0CRITICALCVSS: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:PCVE CNA
10.0CVSS V3_1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:RCVE CNA
10.0CVSS V3_0CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:RCVE CNA
10.0CVSS V2_0—AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:URCVE CNA
10.0CVSS V2—AV:N/AC:L/Au:N/C:C/I:C/A:CNVD
10.0CVSS V31CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HNVD
9.3CVSS V40CRITICALCVSS: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:XNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-124580 is associated with the following CWEs:

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')CWE-77: Common Weakness Enumeration Entry CWE-77

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-124580 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

VDB-432937 | Chengdu Feiyuxing Technology VW2100/VEC10GP Weixin Auth Endpoint webserver handle_wechat_cn_wifi os command injectionvendor-advisoryVDB-432937 | CTI Indicators (IOB, IOC, TTP, IOA)vendor-advisoryCVE-2026-124580 | CVE Analysis and Reportvendor-advisorySubmit #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 Injectionvendor-advisoryhttps://github.com/Walnut1337/Feiyuxing_VROS_command_injection/blob/main/README.mdvendor-advisoryhttps://github.com/Walnut1337/Feiyuxing_VROS_command_injection/blob/main/poc_weixin_auth.pyvendor-advisory

CVSS Vector Radar Chart

10.0 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

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Chengdu Feiyuxing Technology logo
Chengdu Feiyuxing Technology

Weakness Type (CWE & CAPEC)

CWE-78 CWE-77

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