CVE-2026-71931

Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the tftpupgrade function. The vulnerability is caused by insufficient filtering before the filename field is concatenated into a command. A remote attacker can trigger this vulnerability via crafted input to execute...

EUVD-2026-64990

Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the tftpupgrade function. The vulnerability is caused by insufficient filtering before the filename field is concatenated into a command. A remote attacker can trigger this vulnerability via crafted input to execute...

CVE-2026-71931 DrayTek VigorSwitch Multiple Models OS Command Injection via tftp_upgrade

Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the tftpupgrade function. The vulnerability is caused by insufficient filtering before the filename field is concatenated into a command. A remote attacker can trigger this vulnerability via crafted input to execute...

CVE-2026-71931

Multiple DrayTek VigorSwitch models are affected by an OS command injection vulnerability in the tftp_upgrade function. The root cause is insufficient filtering of the filename field before it is concatenated into a system command, allowing a remote attacker to execute arbitrary commands with roo...