CVE-2021-43483: An Access Control vulnerability exists in CLARO KAON CG3000 1.00.67 in the router configuration, which could a
CVE-2021-43483 is a high-severity flaw (CVSS 8.0) affecting kaon cg3000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An Access Control vulnerability exists in CLARO KAON CG3000 1.00.67 in the router configuration, which could allow a malicious user to read or update the configuraiton without authentication.
Why this priority
- High severity
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.0 (High) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 54%) |
| CISA exploited list | No |
| Weakness | CWE-306 |
| Published | 2022-04-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · 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-2021-43483?
kaon cg3000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-43483 being exploited?
CVE-2021-43483 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-2021-43483 affect?
CVE-2021-43483 affects kaon cg3000 firmware. Severity is high (CVSS 8.0). An Access Control vulnerability exists in CLARO KAON CG3000 1.00.67 in the router configuration, which could allow a malicious user to read or update the configuraiton without authentication.
How urgent is CVE-2021-43483?
Priority 45/100. High severity; Public exploit reference