SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-4833

A vulnerability has been identified in RFID 181EIP (All versions), RUGGEDCOM Win (V4.4, V4.5, V5.0, and V5.1), SCALANCE X-200 switch family (incl.

HIGH 8.8EPSS 0.95%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability has been identified in RFID 181EIP (All versions), RUGGEDCOM Win (V4.4, V4.5, V5.0, and V5.1), SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.3), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.4.1), SCALANCE X-200RNA switch family (All versions < V3.2.6), SCALANCE X-300 switch family (incl. SIPLUS NET variants) (All versions < V4.1.3), SCALANCE X408 (All versions < V4.1.3), SCALANCE X414 (All versions), SIMATIC RF182C (All versions). Unprivileged remote attackers located in the same local network segment (OSI Layer 2) could gain remote code execution on the affected products by sending a specially crafted DHCP response to a client's DHCP request.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.95% probability · 61th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-122, CWE-20
Affected
siemens/rfid 181-eip firmware · siemens/ruggedcom wimax firmware · siemens/scalance x200 firmware · siemens/scalance x200irt firmware · siemens/scalance x204rna firmware · siemens/scalance x300 firmware · siemens/scalance x408 firmware · siemens/scalance x414 firmware · siemens/simatic rf182c firmware
Source
productcert@siemens.com
EPSS trend
0%3%5%27 October 2026: 0.95%27 October 202627 October 2026

EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.