CVE-2026-71942

Name of the Vulnerable Software and Affected Versions DrayTek VigorSwitch (affected versions not specified)

Description A buffer overflow occurs in the mail mailalert() function when multiple smtpReceiver email addresses are concatenated into a fixed-size buffer without verifying the remaining space. A remote attacker with valid administrative credentials for the web management interface can use crafted input to trigger this issue, leading to a denial of service or potential arbitrary command execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.