High severity · published Oct 11, 2022
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) NAM (6GK6108-4AM00-2DA2) (All versions <…
8.6
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RR
RUGGEDCOM RM1224 LTE(4G) EU · Siemens
before V7.1.2 · source: vendor
RR
RUGGEDCOM RM1224 LTE(4G) NAM · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M804PB · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M812-1 ADSL-Router · Siemens
before V7.1.2; before V7.1.2 · source: vendor
SM
SCALANCE M816-1 ADSL-Router · Siemens
before V7.1.2; before V7.1.2 · source: vendor
SM
SCALANCE M826-2 SHDSL-Router · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M874-2 · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M874-3 · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M876-3 · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M876-3 (ROK) · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M876-4 · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M876-4 (EU) · Siemens
before V7.1.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31766
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-31766
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-697140.html
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-697140.pdf
More from RUGGEDCOM RM1224 LTE(4G) EU
9.1
CVE-2022-36323
Affected devices do not properly sanitize an input field
8.8
CVE-2025-15467
Stack buffer overflow in CMS (Auth)EnvelopedData parsing
8.8
CVE-2022-31765
Affected devices do not properly authorize the change password function of the web interface
7.5
CVE-2025-40833
The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests
7.5
CVE-2022-36324
Affected devices do not properly handle the renegotiation of SSL/TLS parameters