# Improper input validation in Siemens RUGGEDCOM RM1224 LTE(4G) EU and others

CVE record · `CVE-2022-31766`

- **Identifiers:** `CVE-2022-31766`
- **State:** Confirmed
- **Severity:** CVSS 8.6 High
- **Critical:** No
- **CNA:** siemens
- **Weakness (CWE):** [CWE-20](https://cwe.mitre.org/data/definitions/20.html)
- **Tags:** [CWE-20](https://agentprime.io/advisories/tag/cwe-20.md)
- **Technologies:** [Siemens RUGGEDCOM RM1224 LTE(4G) EU](https://agentprime.io/advisories/technology/siemens-ruggedcom-rm1224-lte-4g-eu.md) · [Siemens RUGGEDCOM RM1224 LTE(4G) NAM](https://agentprime.io/advisories/technology/siemens-ruggedcom-rm1224-lte-4g-nam.md) · [Siemens SCALANCE M804PB](https://agentprime.io/advisories/technology/siemens-scalance-m804pb.md) · [Siemens SCALANCE M812-1 ADSL-Router](https://agentprime.io/advisories/technology/siemens-scalance-m812-1-adsl-router.md) · [Siemens SCALANCE M816-1 ADSL-Router](https://agentprime.io/advisories/technology/siemens-scalance-m816-1-adsl-router.md) · [Siemens SCALANCE M826-2 SHDSL-Router](https://agentprime.io/advisories/technology/siemens-scalance-m826-2-shdsl-router.md) · [Siemens SCALANCE M874-2](https://agentprime.io/advisories/technology/siemens-scalance-m874-2.md) · [Siemens SCALANCE M874-3](https://agentprime.io/advisories/technology/siemens-scalance-m874-3.md) · [Siemens SCALANCE M876-3](https://agentprime.io/advisories/technology/siemens-scalance-m876-3.md) · [Siemens SCALANCE M876-3 (ROK)](https://agentprime.io/advisories/technology/siemens-scalance-m876-3-rok.md) · [Siemens SCALANCE M876-4](https://agentprime.io/advisories/technology/siemens-scalance-m876-4.md) · [Siemens SCALANCE M876-4 (EU)](https://agentprime.io/advisories/technology/siemens-scalance-m876-4-eu.md) · [Siemens SCALANCE M876-4 (NAM)](https://agentprime.io/advisories/technology/siemens-scalance-m876-4-nam.md) · [Siemens SCALANCE MUM853-1 (EU)](https://agentprime.io/advisories/technology/siemens-scalance-mum853-1-eu.md) · [Siemens SCALANCE MUM856-1 (EU)](https://agentprime.io/advisories/technology/siemens-scalance-mum856-1-eu.md) · [Siemens SCALANCE MUM856-1 (RoW)](https://agentprime.io/advisories/technology/siemens-scalance-mum856-1-row.md) · [Siemens SCALANCE S615 EEC LAN-Router](https://agentprime.io/advisories/technology/siemens-scalance-s615-eec-lan-router.md) · [Siemens SCALANCE S615 LAN-Router](https://agentprime.io/advisories/technology/siemens-scalance-s615-lan-router.md) · [Siemens SCALANCE WAM763-1](https://agentprime.io/advisories/technology/siemens-scalance-wam763-1.md) · [Siemens SCALANCE WAM766-1](https://agentprime.io/advisories/technology/siemens-scalance-wam766-1.md)
- **Published:** 11 Oct 2022
- **Updated:** 21 Apr 2025
- **Reviewed by a person:** No

Published by the CVE Program (CNA: siemens) at 11 Oct 2022, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Siemens. Product: RUGGEDCOM RM1224 LTE(4G) EU.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: RUGGEDCOM RM1224 LTE(4G) NAM.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M804PB.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M812-1 ADSL-Router.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M812-1 ADSL-Router.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M816-1 ADSL-Router.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M816-1 ADSL-Router.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M826-2 SHDSL-Router.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M874-2.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M874-3.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M876-3.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M876-3 (ROK).
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M876-4.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M876-4 (EU).
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE M876-4 (NAM).
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE MUM853-1 (EU).
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE MUM856-1 (EU).
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE MUM856-1 (RoW).
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE S615 EEC LAN-Router.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE S615 LAN-Router.
  - affected: `before V7.1.2` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WAM763-1.
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WAM766-1.
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WAM766-1 (US).
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WAM766-1 EEC.
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WAM766-1 EEC (US).
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WUM763-1.
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WUM763-1.
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WUM766-1.
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: SCALANCE WUM766-1 (USA).
  - affected: `V1.1.0 to before V3.0.0` (custom)
  - Other versions: unknown

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 8.6 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C`, from CNA (siemens)

- **CISA KEV:** Not listed.
- **EPSS:** 0.012, the 69th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 11 Oct 2022. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2022-31766](https://www.cve.org/CVERecord?id=CVE-2022-31766)
- [NVD: CVE-2022-31766](https://nvd.nist.gov/vuln/detail/CVE-2022-31766)

### References from the CNA

- <https://cert-portal.siemens.com/productcert/pdf/ssa-697140.pdf>
- <https://cert-portal.siemens.com/productcert/html/ssa-697140.html>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2022-31766>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2022-31766/>. Everything for agents: <https://agentprime.io/llms.txt>.
