CVE-2026-89207

MEDIUM

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 receiv...

Affects 0 products across 1 vendor.

CVSS 3.16.5
CVSS v46.9
EPSS0.4%
Percentile35th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, no confidentiality impact.
CWE Weakness Definitions
CWE-1287: CWE-1287
◆ AI Analysis — automated analysis, not human-reviewed

A medium severity vulnerability (CVE-2026-89207) affects the target system. 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 unauth...

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Frequently Asked Questions
What is CVE-2026-89207?
A medium severity vulnerability (CVE-2026-89207) affects the target system. 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 unauth...
What is the CVSS score for CVE-2026-89207?
CVE-2026-89207 has CVSS 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L. EPSS: 0.4%.
Is CVE-2026-89207 actively exploited?
No confirmed active exploitation of CVE-2026-89207 as of 2026-09-25.
How do I remediate CVE-2026-89207?
Apply vendor patches for CVE-2026-89207. Monitor Siemens advisories.
What systems are affected by CVE-2026-89207?
CVE-2026-89207 affects: Siemens.
Vulnerability Details
CVE IDCVE-2026-89207
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Published2026-09-16
Last Modified2026-09-22
ICS Relevance55%
Weakness (CWE)
CWE-1287
SourceNVD
Official Description

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).

Source: NIST NVD / MITRE CVE Database

Affected Products
VendorProductFixed Version
Siemens &mdash; —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: September 2026 | Threat Age: 12 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
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