Race condition in Siemens SCALANCE W1788-1 M12
Priority LOW 24CWE-362Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA M12 (All versions < V3.0.0). Affected devices do not properly handle resources of ARP requests. This could allow an attacker to cause a race condition that leads to a crash of the entire device.
Why it matters now
EPSS 0.00236 14th percentileScored 2026-11-07
Fix Fixed SCALANCE W1788-1 M12 (Siemens): V3.0.0SCALANCE W1788-2 EEC M12 (Siemens): V3.0.0+2 more products
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 | SCALANCE W1788-1 M12 | before V3.0.0 | V3.0.0 | Patch available | CNA |
| Siemens | SCALANCE W1788-2 EEC M12 | before V3.0.0 | V3.0.0 | Patch available | CNA |
| Siemens | SCALANCE W1788-2 M12 | before V3.0.0 | V3.0.0 | Patch available | CNA |
| Siemens | SCALANCE W1788-2IA M12 | before V3.0.0 | V3.0.0 | Patch available | CNA |
- SCALANCE W1788-1 M12 VendorSiemens Affected before V3.0.0 Fixed in V3.0.0 Patch available CNA
- SCALANCE W1788-2 EEC M12 VendorSiemens Affected before V3.0.0 Fixed in V3.0.0 Patch available CNA
- SCALANCE W1788-2 M12 VendorSiemens Affected before V3.0.0 Fixed in V3.0.0 Patch available CNA
- SCALANCE W1788-2IA M12 VendorSiemens Affected before V3.0.0 Fixed in V3.0.0 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:scalance_w1788-2ia_m12_firmware:*:*:*:*:*:*:*:* | before 3.0.0 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_w1788-2ia_m12:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:scalance_w1788-2_m12_firmware:*:*:*:*:*:*:*:* | before 3.0.0 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_w1788-2_m12:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:scalance_w1788-2_eec_m12_firmware:*:*:*:*:*:*:*:* | before 3.0.0 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_w1788-2_eec_m12:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:scalance_w1788-1_m12_firmware:*:*:*:*:*:*:*:* | before 3.0.0 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:scalance_w1788-1_m12:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:scalance_w1788-2ia_m12_firmware:*:*:*:*:*:*:*:* Versions before 3.0.0 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_w1788-2ia_m12:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:scalance_w1788-2_m12_firmware:*:*:*:*:*:*:*:* Versions before 3.0.0 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_w1788-2_m12:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:scalance_w1788-2_eec_m12_firmware:*:*:*:*:*:*:*:* Versions before 3.0.0 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_w1788-2_eec_m12:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:scalance_w1788-1_m12_firmware:*:*:*:*:*:*:*:* Versions before 3.0.0 Vulnerable ·Siemens
- cpe:2.3:h:siemens:scalance_w1788-1_m12:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
- Fix · CNA SCALANCE W1788-1 M12 (Siemens) Fixed in V3.0.0
- Fix · CNA SCALANCE W1788-2 EEC M12 (Siemens) Fixed in V3.0.0
- Fix · CNA SCALANCE W1788-2 M12 (Siemens) Fixed in V3.0.0
- Fix · CNA SCALANCE W1788-2IA M12 (Siemens) Fixed in V3.0.0
Timeline
- 2026-10-02 Threatist record created from CVE-2022-27481
- 2026-10-03 Alias added: GHSA-w26m-cxw2-hqp8
References
More Siemens Scalance W1788-1 M12 Firmware vulnerabilities
- TI-2022-11100 Improper input validation in Siemens SCALANCE W1788-1 M12 CVSS 3.1HIGH 7.5
- TI-2022-22784 Broken or risky cryptographic algorithm in Siemens RUGGEDCOM RM1224 LTE EU CVSS 4.0HIGH 7.1
- TI-2022-11101 Improper input validation in Siemens SCALANCE W1788-1 M12 CVSS 3.1MEDIUM 6.5
- TI-2022-22787 Affected devices do not check the TFTP blocksize correctly. CVSS 4.0MEDIUM 5.1
- TI-2022-22786 Insufficiently protected credentials in Siemens RUGGEDCOM RM1224 LTE EU CVSS 4.0MEDIUM 5.2
Sources
- CVE-2022-27481 · CVE Program
- CVE-2022-27481 · NVD
- FIRST EPSS
- GHSA-w26m-cxw2-hqp8 · GitHub Advisory Database · CC BY 4.0
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