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Fencer Vulns
high 8.6

CVE-2022-31766 json

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) N…

published 2022-10-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-53161

cvss
8.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

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.

Patch / fix

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

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-286-08 updated cvss 8.6

Siemens SCALANCE and RUGGEDCOM Devices

  • Siemens RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) <V7.1.2 Siemens RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) <V7.1.2 Siemens SCALANCE M804PB (6GK5804-0AP00-2AA2) <V7.1.2 Siemens SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) <V7.1.2 Siemens SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) <V7.1.2 Siemens SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) <V7.1.2
    +14 more products
    Siemens SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) <V7.1.2 Siemens SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) <V7.1.2 Siemens SCALANCE M874-2 (6GK5874-2AA00-2AA2) <V7.1.2 Siemens SCALANCE M874-3 (6GK5874-3AA00-2AA2) <V7.1.2 Siemens SCALANCE M876-3 (6GK5876-3AA02-2BA2) <V7.1.2 Siemens SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) <V7.1.2 Siemens SCALANCE M876-4 (6GK5876-4AA10-2BA2) <V7.1.2 Siemens SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) <V7.1.2 Siemens SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) <V7.1.2 Siemens SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) <V7.1.2 Siemens SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) <V7.1.2 Siemens SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) <V7.1.2 Siemens SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) <V7.1.2 Siemens SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) <V7.1.2
    affected: fixed in V7.1.2, mitigation support.industry.siemens.com
  • Siemens SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) >=V1.1.0, <V3.0.0 Siemens SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) >=V1.1.0, <V3.0.0 Siemens SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) >=V1.1.0, <V3.0.0 Siemens SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) >=V1.1.0, <V3.0.0 Siemens SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) >=V1.1.0, <V3.0.0 Siemens SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) >=V1.1.0, <V3.0.0
    +3 more products
    Siemens SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) >=V1.1.0, <V3.0.0 Siemens SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) >=V1.1.0, <V3.0.0 Siemens SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) >=V1.1.0, <V3.0.0
    affected: fixed in V3.0.0, mitigation support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.6 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
CNA 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected products

  • Siemens RUGGEDCOM RM1224 LTE(4G) EU
  • Siemens RUGGEDCOM RM1224 LTE(4G) NAM
  • Siemens SCALANCE M804PB
  • Siemens SCALANCE M812-1 ADSL-Router
  • Siemens SCALANCE M816-1 ADSL-Router
  • Siemens SCALANCE M826-2 SHDSL-Router
  • Siemens SCALANCE M874-2
  • Siemens SCALANCE M874-3
  • Siemens SCALANCE M876-3
  • Siemens SCALANCE M876-3 (ROK)
  • Siemens SCALANCE M876-4
  • Siemens SCALANCE M876-4 (EU)
  • Siemens SCALANCE M876-4 (NAM)
  • Siemens SCALANCE MUM853-1 (EU)
  • Siemens SCALANCE MUM856-1 (EU)
  • Siemens SCALANCE MUM856-1 (RoW)
  • Siemens SCALANCE S615 EEC LAN-Router
  • Siemens SCALANCE S615 LAN-Router
  • Siemens SCALANCE WAM763-1
  • Siemens SCALANCE WAM766-1
  • Siemens SCALANCE WAM766-1 (US)
  • Siemens SCALANCE WAM766-1 EEC
  • Siemens SCALANCE WAM766-1 EEC (US)
  • Siemens SCALANCE WUM763-1
  • Siemens SCALANCE WUM766-1
  • Siemens SCALANCE WUM766-1 (USA)

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.