CVE-2006-1538: The Enova X-Wall ASIC encrypts with a key obtained via Microwire from a serial EEPROM that stores the key in c
CVE-2006-1538 is a medium-severity flaw (CVSS 4.9) affecting x-wall asic. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Enova X-Wall ASIC encrypts with a key obtained via Microwire from a serial EEPROM that stores the key in cleartext, which allows local users with physical access to obtain the key by reading and duplicating an EEPROM that is located on a hardware token, or by sniffing the Microwire bus.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 4.9 (Medium) |
| EPSS exploit chance | 0.3% (top 73%) |
| CISA exploited list | No |
| Published | 2006-03-30 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2006-1538?
x-wall asic: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2006-1538 being exploited?
CVE-2006-1538 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2006-1538 affect?
CVE-2006-1538 affects x-wall asic. Severity is medium (CVSS 4.9). The Enova X-Wall ASIC encrypts with a key obtained via Microwire from a serial EEPROM that stores the key in cleartext, which allows local users with physical access to obtain the key by reading and duplicating an EEPROM that is located on
How urgent is CVE-2006-1538?
Priority 24/100. No elevated risk signals yet.