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Vulnerability · Published Sep 21, 2026 · Assigned by VulDB

CVE-2026-94138Chengdu Feiyuxing Technology Feiyu Star Router send_order.cgi command injection

Medium 6.6

In plain English

A medium-severity command injection in Feiyu Star Router from Chengdu Feiyuxing Technology. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 81% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)2.1%top 18.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in Chengdu Feiyuxing Technology Feiyu Star Router B-MB5E202-210322-r11656. This impacts an unknown function of the file /send_order.cgi?parameter=del_expmac. The manipulation of the argument mac results in command injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

VendorProductVersions
Chengdu Feiyuxing Technology Feiyu Star Router B-MB5E202-210322-r11656

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R

References