Security readout for executives and security teams
Plain-English summary
Rockwell Automation controllers can be forced into a major non-recoverable fault by invalid file data. For industrial environments, this is a high-urgency availability risk because affected controllers may stop operating until recovered.
Executive priority
Treat this as urgent for OT environments running affected Rockwell controllers, especially if controller networks are reachable beyond tightly controlled segments. The business concern is process disruption, not data theft.
Technical view
The CVE describes a CWE-120 buffer overflow in Rockwell 5380/5480/5580 controllers, with CVSS 4.0 score 9.2. The vector indicates unauthenticated network access, low complexity, no user interaction, and high impact to vulnerable-system availability and subsequent-system availability.
Likely exposure
Exposure is most likely where affected Rockwell CompactLogix, ControlLogix, Compact GuardLogix, or GuardLogix controllers are reachable over a network. The bundle lists V34.012 and earlier and V35.011 and earlier, but product/version formatting is ambiguous and should be verified against Rockwell advisory SD1781.
Exploitation context
The provided data does not show CISA KEV listing or confirmed active exploitation. The risk is still serious because the described outcome is denial of service causing a major non-recoverable fault, and the CVSS vector suggests remote unauthenticated triggering may be possible.
Researcher notes
Evidence is limited to the CVE bundle and Rockwell advisory reference. Product naming in the affected field and description appears inconsistent, so researchers should use the vendor advisory as the authority for exact models, versions, and remediation status.
Mitigation direction
- Review Rockwell advisory SD1781 for official fixed versions and mitigations.
- Prioritize remediation for controllers reachable from untrusted or shared networks.
- Restrict controller network access to required engineering and operations systems only.
- Coordinate changes through OT maintenance windows and recovery procedures.
- Do not deploy firmware or configuration changes without vendor and site validation.
Validation and detection
- Inventory Rockwell controllers and match exact family, catalog, and firmware versions.
- Check whether V34.012, V35.011, or earlier firmware is present.
- Verify whether controller management paths are reachable from non-OT networks.
- Confirm advisory SD1781 applicability before declaring systems unaffected.
- Document recovery readiness for major non-recoverable fault scenarios.
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-120: 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-2025-12012 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
- Critical
- CVSS
- 9.2 (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:H
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
1 official scoreWe 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:H——RockwellVulnerability scoring details
Base CVSS 4.0 score
9.2CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA: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://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1781.htmlCVE reference, Rockwell
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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.