PatchTheCVECVE-2017-16566: On Jooan IP Camera A5 2.3.36 devices, an insecure FTP server does not require authentication, which allows rem
CVE-2017-16566 is a critical-severity flaw (CVSS 9.8) affecting jooan a5 ip camera firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
On Jooan IP Camera A5 2.3.36 devices, an insecure FTP server does not require authentication, which allows remote attackers to read or replace core system files including those used for authentication (such as passwd and shadow). This can be abused to take full root level control of the device.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.6% (top 15%) |
| CISA exploited list | No |
| Weakness | CWE-287 |
| Published | 2017-11-17 |
| 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-2017-16566?
jooan a5 ip camera firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2017-16566 being exploited?
CVE-2017-16566 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-2017-16566 affect?
CVE-2017-16566 affects jooan a5 ip camera firmware. Severity is critical (CVSS 9.8). On Jooan IP Camera A5 2.3.36 devices, an insecure FTP server does not require authentication, which allows remote attackers to read or replace core system files including those used for authentication (such as passwd and shadow). This can b
How urgent is CVE-2017-16566?
Priority 61/100. Critical severity; Remotely exploitable, no login, no user action