Security readout for executives and security teams
This flaw can crash and reload affected Cisco routing devices when a nearby OSPFv3 neighbor sends specially crafted routing information. The business impact is network outage or instability, not data theft. Risk is highest where OSPFv3 runs on critical routers with adjacencies that are not tightly controlled. Exposure is limited to Cisco IOS or IOS XE devices running OSPFv3 and reachable by an adjacent attacker. Internet-wide remote exposure is not supported by the sources, but internal or provider routing adjacencies may be business-critical. Prioritize remediation where OSPFv3 supports production, WAN, data center, or industrial routing. The main risk is avoidable downtime from router reloads, especially in networks with limited redundancy. Mitigation focus: Review Cisco advisory cisco-sa-20180926-ospfv3-dos for affected releases and fixed software.; Prioritize upgrades for OSPFv3-enabled Cisco routers supporting critical network paths.; Reduce untrusted adjacency opportunities on OSPFv3-enabled interfaces..
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
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ATT&CK lookup starting points
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CWE-399: Exact CWE lookup
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Open ATT&CK lookupCVE-2018-0466 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 20180926 Cisco IOS and IOS XE Software OSPFv3 Denial of Service VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
- https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03CVE reference · x_refsource_MISC
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.
Resource Management Errors
Resource Management Errors represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.