WAGO: PLC families 750-88x and 750-352 prone to DoS attack
Priority LOW 37CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.
Why it matters now
EPSS 0.01887 79th 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 |
|---|---|---|---|---|---|
| WAGO | 750-331/xxx-xxx | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-352 | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-829 | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-831/xxx-xxx | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-852 | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-880/xxx-xxx | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-881 | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-882 | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-885 | FW1<=FW10 | — | No fix listed | CNA |
| WAGO | 750-889 | FW1<=FW10 | — | No fix listed | CNA |
- 750-331/xxx-xxx VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-352 VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-829 VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-831/xxx-xxx VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-852 VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-880/xxx-xxx VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-881 VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-882 VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-885 VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
- 750-889 VendorWAGO Affected FW1<=FW10 Fixed in — No fix listed CNA
CPE configurations NVD · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:wago:750-352_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-352:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
| cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
| cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-852:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
| cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
| cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
- cpe:2.3:o:wago:750-352_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-352:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
- cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
- cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-852:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
- cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
- cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
| cpe:2.3:o:wago:750-331_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-331:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
| cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-829:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
| cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-882:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
| cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:* | fw1 – fw10 | Vulnerable | WAGO |
| cpe:2.3:h:wago:750-885:-:*:*:*:*:*:*:* | not specified by NVD | Running on | WAGO |
- cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
- cpe:2.3:o:wago:750-331_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-331:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
- cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-829:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
- cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-882:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
- cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:* Versions fw1 – fw10 Vulnerable ·WAGO
- cpe:2.3:h:wago:750-885:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WAGO
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-12516
- 2026-10-03 Alias added: GHSA-wm2q-rjqh-v4ff
References
More WAGO 750-331 Firmware vulnerabilities
- TI-2023-01525 WAGO: DoS in multiple products in multiple versions using Codesys CVSS 3.1MEDIUM 4.9
- TI-2023-01524 WAGO: DoS in multiple versions of multiple products CVSS 3.1MEDIUM 4.9
Sources
- CVE-2020-12516 · CVE Program
- CVE-2020-12516 · NVD
- FIRST EPSS
- GHSA-wm2q-rjqh-v4ff · 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