Security readout for executives and security teams
Plain-English summary
This flaw can let an unauthenticated network attacker exhaust the OPC-UA Server in B&R PPT30 Operating System versions before 1.8.0. The business impact is service availability: legitimate users may be permanently unable to interact with the service until recovery action is taken.
Executive priority
Treat this as a high-priority OT availability risk. Prioritize exposed or production-critical PPT30 systems, especially where OPC-UA access crosses trust boundaries or supports operational workflows.
Technical view
CVE-2025-11482 is a CWE-770 resource-allocation issue in the PPT30 OPC-UA Server. The CVSS 4.0 score is 8.7, driven by network reachability, low attack complexity, no privileges, no user interaction, and high vulnerable-system availability impact.
Likely exposure
Exposure is most likely in OT or industrial environments running B&R PPT30 Operating System before 1.8.0 with the OPC-UA Server reachable from untrusted or poorly segmented networks.
Exploitation context
The supplied sources do not cite active exploitation, public exploit code, or CISA KEV listing. Risk remains high because the issue is unauthenticated, network-based, low-complexity, and targets service availability.
Researcher notes
The evidence supports a resource exhaustion denial-of-service condition, not confidentiality or integrity compromise. Affected scope is PPT30 Operating System before 1.8.0. The bundle does not provide exploit details, recovery steps, or broader product impact.
Mitigation direction
- Identify PPT30 assets and confirm operating system versions.
- Prioritize upgrade planning for PPT30 Operating System 1.8.0 or later where applicable.
- Restrict OPC-UA Server exposure to trusted management and industrial network segments.
- Review B&R advisory SA25P006 for vendor-specific remediation and recovery guidance.
Validation and detection
- Inventory PPT30 systems and record OS version and OPC-UA Server exposure.
- Confirm no affected OPC-UA service is reachable from untrusted networks.
- Validate segmentation rules around industrial control and management networks.
- Check monitoring for repeated connection or resource exhaustion symptoms.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-770: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-11482 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——ABBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6ABBVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: 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
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://br-cws-assets.de-fra-1.linodeobjects.com/SA25P006-0eec719c.pdfCVE reference, ABB
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Allocation of Resources Without Limits or Throttling
Allocation of Resources Without Limits or Throttling represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.