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Advisories

DrayTek VigorAP Multiple Models Pre-Authentication OS Command Injection via dray_apm

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severity
critical
date
Affecting

  • VigorAP 918R >= 0, < 1.4.11

  • VigorAP 960C >= 0, < 1.4.12

  • VigorAP 1060C >= 0, < 1.4.12

  • VigorAP 906 >= 0, < 1.4.13

  • VigorAP 912C >= 0, < 1.4.15

  • VigorAP 903 >= 0, < 1.4.22

CWE
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
Jincheng Wang (@winmt), Le Yu (Nanjing University of Posts and Telecommunications), Xiapu Luo (The Hong Kong Polytechnic University)
Description
Multiple DrayTek VigorAP models contain a command injection vulnerability in the dray_apm component. The vulnerability is caused by insufficient validation of UDP message content after START_SPEED_TEST before command execution. A remote attacker can trigger this vulnerability via a crafted message to execute arbitrary commands with root privileges.

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