Security readout for executives and security teams
This issue can let a remote attacker crash and reload affected Cisco ASR 1000 routers when IPv6 MLD tracking is enabled. The business impact is network interruption, not confirmed data theft or device takeover. Exposure appears limited to older Cisco IOS releases before 15.1(1)SY with the specific IPv6 feature enabled. Organizations are likely exposed only if they still operate Cisco ASR 1000 devices running Cisco IOS before 15.1(1)SY with IPv6 MLD tracking enabled. Treat as a targeted network availability risk. It deserves priority where affected ASR 1000 routers support critical connectivity, but urgency is reduced by the age, configuration dependency, and lack of cited active exploitation. Mitigation focus: Identify Cisco ASR 1000 devices and their Cisco IOS versions.; Prioritize upgrade review for IOS releases before 15.1(1)SY.; Check Cisco guidance for CSCtz28544-specific fixed releases and workarounds..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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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
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CWE details
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