CVE-2026-94139: Command Injection in Chengdu Feiyuxing Technology Feiyu Star Router
CVE-2026-94139 is a command injection vulnerability in the Feiyu Star Router by Chengdu Feiyuxing Technology. The flaw exists in the /send_order.cgi endpoint, specifically in the Cookie Handler component when processing the session_id parameter. This vulnerability allows remote attackers to execute arbitrary commands on the affected device. The vendor was notified but has not responded or provided a fix. Public exploit code is available, increasing the risk of exploitation. The CVSS 4.0 score rates this vulnerability as medium severity.
AI Analysis
Technical Summary
This vulnerability involves command injection via manipulation of the session_id parameter in the /send_order.cgi?parameter=loginout function of the Cookie Handler component in the Feiyu Star Router B-MB5E202-210322-r11656. Remote attackers can exploit this flaw to execute arbitrary commands on the device. The vendor has not issued a patch or advisory, and exploit code is publicly available.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected router, potentially leading to full control over the device. This can compromise network security and device integrity. However, the vulnerability is rated medium severity with CVSS 4.0 score 5.3, indicating moderate impact and exploitability.
Mitigation Recommendations
No official patch or remediation has been provided by the vendor. Users should consider isolating affected devices from untrusted networks and monitor for suspicious activity. Due to the availability of public exploit code and lack of vendor response, caution is advised until a fix is released.
CVE-2026-94139: Command Injection in Chengdu Feiyuxing Technology Feiyu Star Router
Description
CVE-2026-94139 is a command injection vulnerability in the Feiyu Star Router by Chengdu Feiyuxing Technology. The flaw exists in the /send_order.cgi endpoint, specifically in the Cookie Handler component when processing the session_id parameter. This vulnerability allows remote attackers to execute arbitrary commands on the affected device. The vendor was notified but has not responded or provided a fix. Public exploit code is available, increasing the risk of exploitation. The CVSS 4.0 score rates this vulnerability as medium severity.
CVSS v4.0
Score 5.3medium
Affected software
Chengdu Feiyuxing Technology
Feiyu Star Router
cpe:2.3:h:chengdu_feiyuxing_technology:feiyu_star_router:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves command injection via manipulation of the session_id parameter in the /send_order.cgi?parameter=loginout function of the Cookie Handler component in the Feiyu Star Router B-MB5E202-210322-r11656. Remote attackers can exploit this flaw to execute arbitrary commands on the device. The vendor has not issued a patch or advisory, and exploit code is publicly available.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected router, potentially leading to full control over the device. This can compromise network security and device integrity. However, the vulnerability is rated medium severity with CVSS 4.0 score 5.3, indicating moderate impact and exploitability.
Mitigation Recommendations
No official patch or remediation has been provided by the vendor. Users should consider isolating affected devices from untrusted networks and monitor for suspicious activity. Due to the availability of public exploit code and lack of vendor response, caution is advised until a fix is released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-20T19:38:24.231Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ab0b6d455bf5e2cf53efc96
Added to database: 09/21/2026, 04:47:16 UTC
Last enriched: 09/21/2026, 05:01:30 UTC
Last updated: 09/21/2026, 15:42:08 UTC
Views: 19
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