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Vulnerability record · CVE-2025-11482 · published 26 May 2026

CVE-2025-11482: Allocation without limits vulnerability

An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 Operating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to permanently prevent legitimate users from interacting with the service.

8.7 CVSS 4.0 High EPSS 0.32% · top 77.3% CWE-770 · Allocation without limits Awaiting Analysis
8.7CVSS 4.0 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
24 Jul 2026Last modified by NVD

Description

An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 Operating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to permanently prevent legitimate users from interacting with the service.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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:

References

LinkTags
https://br-cws-assets.de-fra-1.linodeobjects.com/SA25P006-0eec719c.pdf

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.6CVE-2020-3569Cisco IOS XR DVMRP IGMP packet handling memory exhaustionCisco IOS XR Software mishandles IGMP packets in its Distance Vector Multicast Routing Protocol (DVMRP) feature, allowing crafted traffic to crash th…KEVEPSS 3.3%analysed8.6CVE-2020-3566Cisco IOS XR DVMRP IGMP queue flaw causes memory exhaustionCisco IOS XR Software mishandles queue management for IGMP packets in its DVMRP feature, allowing uncontrolled memory consumption. An unauthenticated…KEVEPSS 3.7%analysed

Source: NIST National Vulnerability Database (record CVE-2025-11482), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.