Read the docs
TI-2022-19088 Aliases CVE-2022-40225GHSA-7xr5-w5mj-r2jm

Incorrect numeric conversion in Siemens SIPLUS TIM 1531 IRC

Priority LOW 31CWE-681Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A vulnerability has been identified in SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). Casting an internal value could lead to floating point exception under certain circumstances. This could allow an attacker to cause a denial of service condition on affected devices.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00622 50th percentileScored 2026-11-07
Fix Fixed SIPLUS TIM 1531 IRC (Siemens): V2.4.8TIM 1531 IRC (Siemens): V2.4.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSIPLUS TIM 1531 IRCbefore V2.4.8V2.4.8Patch availableCNA
SiemensTIM 1531 IRCbefore V2.4.8V2.4.8Patch availableCNA
  • SIPLUS TIM 1531 IRC VendorSiemens Affected before V2.4.8 Fixed in V2.4.8 Patch available CNA
  • TIM 1531 IRC VendorSiemens Affected before V2.4.8 Fixed in V2.4.8 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:siemens:siplus_tim_1531_irc_firmware:*:*:*:*:*:*:*:*before 2.4.8VulnerableSiemens
cpe:2.3:h:siemens:siplus_tim_1531_irc:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
  • cpe:2.3:o:siemens:siplus_tim_1531_irc_firmware:*:*:*:*:*:*:*:* Versions before 2.4.8 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:siplus_tim_1531_irc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens

Remediation

  • Fix · CNA SIPLUS TIM 1531 IRC (Siemens) Fixed in V2.4.8
  • Fix · CNA TIM 1531 IRC (Siemens) Fixed in V2.4.8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Siemens SIPLUS TIM 1531 IRC, TIM 1531 IRC V2.4.8

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2023-27693 Infinite loop in Siemens SIMATIC CP 1542SP-1Priority LOW 31

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-40225
  2. 2026-10-03 Alias added: GHSA-7xr5-w5mj-r2jm
  3. 2026-11-06 EPSS moved to the 50th–90th percentile

References

  • TI-2022-21502 Resource allocation without limits in Siemens SIMATIC CP 1242-7 V2 CVSS 3.1HIGH 7.5
  • TI-2022-21471 Use after free in Siemens SIMATIC CP 1242-7 V2 CVSS 3.1HIGH 7.5
  • TI-2021-17434 Improper input validation in Siemens SIMATIC Drive Controller CPU 1504D TF CVSS 3.1HIGH 7.5
  • TI-2022-21501 A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All… CVSS 3.1HIGH 7.5
  • TI-2021-20216 Improper input validation in Siemens SIMATIC Drive Controller CPU 1504D TF CVSS 3.1HIGH 7.5
  • TI-2021-20215 Improper input validation in Siemens SIMATIC Drive Controller CPU 1504D TF CVSS 3.1HIGH 7.5
See all 7 →

Sources