CVE-2025-66963: An issue in Hitron HI3120 v.7.2.4.5.2b1 allows a local attacker to obtain sensitive information via the Logout
CVE-2025-66963 is a medium-severity flaw (CVSS 5.5) affecting hi3120 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue in Hitron HI3120 v.7.2.4.5.2b1 allows a local attacker to obtain sensitive information via the Logout option in the index.html
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 98%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2025-12-15 |
| Last modified | 2026-10-07 |
Last updated 2026-10-07 · 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-2025-66963?
hi3120 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-66963 being exploited?
CVE-2025-66963 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-2025-66963 affect?
CVE-2025-66963 affects hi3120 firmware. Severity is medium (CVSS 5.5). An issue in Hitron HI3120 v.7.2.4.5.2b1 allows a local attacker to obtain sensitive information via the Logout option in the index.html
How urgent is CVE-2025-66963?
Priority 20/100. No elevated risk signals yet.