Siemens APOGEE, TALON and Desigo flaws can cause denial of service
Several Desigo controllers at version 2.3 and later have no planned fix for CVE-2026-89208.
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CVE-2026-89208
- CVSS 4.0
- 6.9 medium
- EPSS
- —
- Published
- ·
- Modified
Description · NVD
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (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.
- Weakness
- CWE-125
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
In the news
2 storiesSiemens Capital Embedded AR Classic has remote out-of-bounds read
R20-11 is fixed in V2303, while all 431-422 builds have no planned fix and should stay behind firewalls.
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