Out-of-bounds write in Siemens SIMATIC HMI Comfort Panels 1st Generation
Priority LOW 26CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability has been identified in SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels (All versions < V16 Update 4). Specially crafted packets sent to port 161/udp can cause the SNMP service of affected devices to crash. A manual restart of the device is required to resume operation of the service.
Why it matters now
EPSS 0.0102 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) | All versions < V16 Update 4 | — | No fix listed | CNA |
| Siemens | SIMATIC HMI KTP Mobile Panels | All versions < V16 Update 4 | — | No fix listed | CNA |
- SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) VendorSiemens Affected All versions < V16 Update 4 Fixed in — No fix listed CNA
- SIMATIC HMI KTP Mobile Panels VendorSiemens Affected All versions < V16 Update 4 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:-:*:*:*:*:*:* | 16 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:update_2:*:*:*:*:*:* | 16 update_2 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:update_3:*:*:*:*:*:* | 16 update_3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_hmi_ktp_mobile_panels:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:-:*:*:*:*:*:* | 16 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:update_2:*:*:*:*:*:* | 16 update_2 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:update_3:*:*:*:*:*:* | 16 update_3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_hmi_comfort_panels:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:-:*:*:*:*:*:* Versions 16 Vulnerable ·Siemens
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:update_2:*:*:*:*:*:* Versions 16 update_2 Vulnerable ·Siemens
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:update_3:*:*:*:*:*:* Versions 16 update_3 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_hmi_ktp_mobile_panels:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:-:*:*:*:*:*:* Versions 16 Vulnerable ·Siemens
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:update_2:*:*:*:*:*:* Versions 16 update_2 Vulnerable ·Siemens
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:update_3:*:*:*:*:*:* Versions 16 update_3 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_hmi_comfort_panels:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19276
- 2026-10-03 Alias added: GHSA-v5g4-whqh-4265
References
More Siemens Simatic Hmi Comfort Panels Firmware vulnerabilities
- TI-2020-12433 Missing authentication in Siemens SIMATIC HMI Comfort Panels CVSS 3.1CRITICAL 9.8
- TI-2020-12421 Missing brute-force protection in Siemens SIMATIC HMI Basic Panels 2nd Generation CVSS 3.1CRITICAL 9.8
- TI-2019-04626 Information disclosure in Siemens SIMATIC HMI Comfort Panels 4" - 22" CVSS 3.1CRITICAL 9.1
- TI-2019-04622 Out-of-bounds read in Siemens SIMATIC CP 1604 CVSS 3.1HIGH 7.5
- TI-2022-19090 Improper input validation in Siemens SIMATIC HMI Comfort Panels CVSS 3.1HIGH 7.5
- TI-2018-10025 HTTP response splitting in Siemens SIMATIC HMI Comfort Panels 4" - 22", SIMATIC HMI… CVSS 3.0HIGH 8.8
Sources
- CVE-2019-19276 · CVE Program
- CVE-2019-19276 · NVD
- FIRST EPSS
- GHSA-v5g4-whqh-4265 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences