Medium severity · published Oct 13, 2026
CVE-2026-89208
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Desigo PXC00-E.D (All…
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Desigo PXC00-E.D (All versions >= V2.3), Desigo PXC00-U (All versions >= V2.3), Desigo PXC001-E.D (All versions >= V2.3), Desigo PXC100-E.D (All versions >= V2.3), Desigo PXC12-E.D (All versions >= V2.3), Desigo PXC128-U (All versions >= V2.3), Desigo PXC200-E.D (All versions >= V2.3), Desigo PXC22-E.D (All versions >= V2.3), Desigo PXC22.1-E.D (All versions >= V2.3), Desigo PXC36.1-E.D (All versions >= V2.3), Desigo PXC50-E.D (All versions >= V2.3), Desigo PXC64-U (All versions >= V2.3), Desigo PXM20-E (All versions >= V2.3). The affected product does not properly validate input bounds before accessing packet data. This could allow an unauthenticated remote attacker to trigger memory reads outside the intended packet boundaries.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CE
Capital Embedded AR Classic R20-11 · Siemens
before V2303 · source: vendor
DP
Desigo PXC00-E.D · Siemens
V2.3 · source: vendor
DP
Desigo PXC00-U · Siemens
V2.3 · source: vendor
DP
Desigo PXC001-E.D · Siemens
V2.3 · source: vendor
DP
Desigo PXC100-E.D · Siemens
V2.3 · source: vendor
DP
Desigo PXC12-E.D · Siemens
V2.3 · source: vendor
DP
Desigo PXC128-U · Siemens
V2.3 · source: vendor
DP
Desigo PXC200-E.D · Siemens
V2.3 · source: vendor
DP
Desigo PXC22-E.D · Siemens
V2.3 · source: vendor
DP
Desigo PXC22.1-E.D · Siemens
V2.3 · source: vendor
DP
Desigo PXC36.1-E.D · Siemens
V2.3 · source: vendor
In the news
VulnerabilityMedium
Siemens Capital Embedded AR Classic
View CSAF Summary The products listed below contain an out-of-bounds read vulnerability that could allow an attacker to cause abnormal product behavior, instability, or denial of service. Siemens has released a new version for Capital Embedded AR Classic R20-11 and recommends updating to the latest version. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available. The following versions of Siemens Capital Embedded AR Classic are affected: Capital Embedded AR Classic 431-422 vers:all/* (CVE-2026-89208) Capital Embedded AR Classic R20-11 vers:intdot/&lt;2303 (CVE-2026-89208) CVSS Vendor Equipment v3 5.3 Siemens Capital Embedded AR Classic 431-422 1 Vulnerability Out-of-bounds Read Background Critical Infrastructure Sectors: Critical Manufacturing, Transportation Systems, Energy, Healthcare and Public Health, Financial Services, Government Services and Facilities Countries/Areas Deployed: Worldwide Company Headquarters Location: Germany Vulnerabilities CVE-2026-89208 The affected product does not properly validate input bounds before accessing packet data. This could allow an unauthenticated remote attacker to trigger memory reads outside the intended packet boundaries. Read More 2 Affected Products Capital Embedded AR Classic 431-422 Product Status: known_affected Remediation...
Oct 22, 2026·CISA Advisories