CVE-2026-71942

Multiple DrayTek VigorSwitch models are affected by a buffer overflow in the mail_mailalert function. The root cause is concatenating multiple smtpReceiver email addresses into a fixed-size buffer without validating the remaining buffer size. A remote attacker with valid administrative credential...

CVE-2026-71941

Multiple DrayTek VigorSwitch models contain a buffer overflow in the diag_logmail function, caused by concatenating multiple smtpReceiver email addresses into a fixed-size buffer without bounds checking. A remote attacker with valid administrative credentials for the web management interface can ...

EUVD-2026-65000

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the diaglogmail function. The vulnerability is caused by concatenating multiple smtpReceiver email addresses into a fixed-size buffer without checking the remaining buffer size. A remote attacker can trigger this...

EUVD-2026-64998

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the aclgeneralsetup Add ACE function. The vulnerability is caused by copying the name field into a fixed-size buffer without length validation. A remote attacker can trigger this vulnerability via crafted input, causin...

CVE-2026-71940 DrayTek VigorSwitch Multiple Models Buffer Overflow via acl_general_setup Edit ACE

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the aclgeneralsetup Edit ACE function. The vulnerability is caused by copying the name field into a fixed-size buffer without length validation. A remote attacker can trigger this vulnerability via crafted input, causi...

CVE-2026-71940

DrayTek VigorSwitch multiple models contain a buffer overflow in the acl_general_setup Edit ACE function, caused by copying the name field into a fixed-size buffer without length validation. A remote attacker with valid administrative credentials for the device's web management interface can trig...

CVE-2026-71939

Multiple DrayTek VigorSwitch models contain a buffer overflow in the acl_general_setup Add ACE function, caused by copying the name field into a fixed-size buffer without length validation. A remote attacker with valid administrative credentials on the device's web management interface can trigge...

CVE-2026-71939 DrayTek VigorSwitch Multiple Models Buffer Overflow via acl_general_setup Add ACE

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the aclgeneralsetup Add ACE function. The vulnerability is caused by copying the name field into a fixed-size buffer without length validation. A remote attacker can trigger this vulnerability via crafted input, causin...

EUVD-2026-64999

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the aclgeneralsetup Edit ACE function. The vulnerability is caused by copying the name field into a fixed-size buffer without length validation. A remote attacker can trigger this vulnerability via crafted input, causi...

EUVD-2026-64997

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the switchlangvrp function. The vulnerability is caused by unsafe copying of the portList field into an undersized buffer. A remote attacker can trigger this vulnerability via crafted input, causing a denial of service...

CVE-2026-71938

Multiple DrayTek VigorSwitch models contain a buffer overflow in the switch_lan_gvrp function, caused by unsafe copying of the portList field into an undersized buffer. A remote attacker with valid administrative credentials for the device's web management interface can trigger the vulnerability ...

CVE-2026-71936

Multiple DrayTek VigorSwitch models contain a buffer overflow in the sysreboot function, caused by unsafe concatenation of split valueN data into a fixed-size buffer. A remote attacker with valid administrative credentials on the device's web management interface can trigger the flaw via crafted ...

EUVD-2026-64996

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the poescheduleprofile function. The vulnerability is caused by repeated concatenation of the startdate, starttime, durationtime, howoften, weekdays, monthlydate, and cycleduration fields into small fixed-size buffers...

CVE-2026-71937 DrayTek VigorSwitch Multiple Models Buffer Overflow via poe_schedule_profile

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the poescheduleprofile function. The vulnerability is caused by repeated concatenation of the startdate, starttime, durationtime, howoften, weekdays, monthlydate, and cycleduration fields into small fixed-size buffers...

EUVD-2026-64995

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the sysreboot function. The vulnerability is caused by unsafe concatenation of split valueN data into a fixed-size buffer. A remote attacker can trigger this vulnerability via crafted input, causing a denial of service...

CVE-2026-71937

DrayTek VigorSwitch multiple models are affected by a buffer overflow in the poe_schedule_profile function. The root cause is repeated concatenation of scheduling fields (start_date, start_time, duration_time, how_often, weekdays, monthly_date, cycle_duration) into small fixed-size buffers withou...

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...

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...

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...

CVE-2026-71934 DrayTek VigorSwitch Multiple Models Buffer Overflow via pingtrace

Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the pingtrace function. The vulnerability is caused by missing length checks when the host, count, and interval fields are concatenated into a fixed-size buffer. A remote attacker can trigger this vulnerability via...