other

Siemens WTV676 and WTV776

Two Siemens device families administered through an HB6035 web interface, listed by CISA under the Energy critical infrastructure sector and deployed worldwide.

Known aliases

WTV676-HB6035
WTV776-HB6035

Relationships

No evidence-backed relationships are recorded.

Current clusters

security1 publisher

Unvalidated backend input can force Siemens WTV676 and WTV776 into protection mode

CVE-2026-89207 lets an unauthenticated remote attacker trip protection mode on Siemens WTV676-HB6035 and WTV776-HB6035 web interfaces. The fixed builds, V3.94 and V4.17, are available now.

Publishers:cisa.gov

Reality

Evidence72
Adoption22
Hype gap0
Incentives45
Confidence68