CVE-2026-71935

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the webBackupAction function. The vulnerability is caused by repeated string concatenation of the pathN, valueN, key, and option fields into fixed-size stack buffers without total length checks. A remote attacker can...

CVE-2026-71935 DrayTek VigorSwitch Multiple Models Buffer Overflow via webBackupAction

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the webBackupAction function. The vulnerability is caused by repeated string concatenation of the pathN, valueN, key, and option fields into fixed-size stack buffers without total length checks. A remote attacker can...

CVE-2026-71935

Multiple DrayTek VigorSwitch models are affected by a stack-based buffer overflow in the webBackupAction function. The root cause is repeated string concatenation of the pathN , valueN , key , and option fields into fixed-size stack buffers without total length checks. A remote attacker with vali...

EUVD-2026-64994

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the webBackupAction function. The vulnerability is caused by repeated string concatenation of the pathN, valueN, key, and option fields into fixed-size stack buffers without total length checks. A remote attacker can...

EUVD-2026-64977

Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the webBackupAction function. The vulnerability is caused by insufficient filtering of the option, key, pwencode, pathN, and valueN fields before command execution. A remote attacker can trigger this vulnerability vi...

CVE-2026-71918

Multiple DrayTek VigorSwitch models are affected by an OS command injection vulnerability in the webBackupAction function. The root cause is insufficient filtering of the option, key, pw_encode, pathN, and valueN fields before command execution, allowing a remote attacker with valid administrativ...