SiemensCVE-2026-89207
Siemens WTV676-HB6035 Web Interface: unauthenticated remote attacker could...
Medium6.9CVE-2026-89207 · Published Sep 16, 2026 · updated Sep 18, 2026
A vulnerability has been identified in WTV676-HB6035 Web Interface (All versions < V3.94), WTV776-HB6035 Web Interface (All versions < V4.17). Affected devices do not properly validate input received from backend services. This could allow an unauthenticated remote attacker to force the device into protection mode, which results in losing remote connectivity functions (Web Access).
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| WTV676-HB6035 Web Interface Product | < V3.94 | V3.94 |
| WTV776-HB6035 Web Interface Product | < V4.17 | V4.17 |
Details and references
- CVSS 4.0
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-1287
More Siemens advisories
All Siemens| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 8 | Siemens SIMOVE Fleetmanager: path traversal | Critical9.2 | V3.1.13+4 more |
| Sep 8 | Siemens Reyrolle 7SR5: denial of service | High8.7 | V2.70 |
| Sep 8 | Siemens Reyrolle 7SR5: improper access control | High8.7 | V2.70 |
| Sep 8 | Siemens Reyrolle 7SR5: unauthenticated attacker could the publicly available | Medium6.9 | V2.70 |
| Sep 8 | Siemens Reyrolle 7SR5: memory corruption | High7.0 | V2.70 |
| Sep 8 | Siemens Reyrolle 7SR5: attacker could the device to upload | High7.0 | V2.70 |