PatchTheCVECVE-2022-38100: The CMS800 device fails while attempting to parse malformed network data sent by a threat actor
CVE-2022-38100 is a high-severity flaw (CVSS 7.5) affecting cms8000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The CMS800 device fails while attempting to parse malformed network data sent by a threat actor. A threat actor with network access can remotely issue a specially formatted UDP request that will cause the entire device to crash and require a physical reboot. A UDP broadcast request could be sent that causes a mass denial-of-service attack on all CME8000 devices connected to the same network.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.0% (top 38%) |
| CISA exploited list | No |
| Weakness | CWE-400 |
| Published | 2022-09-13 |
| 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-2022-38100?
cms8000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-38100 being exploited?
CVE-2022-38100 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-2022-38100 affect?
CVE-2022-38100 affects cms8000 firmware. Severity is high (CVSS 7.5). The CMS800 device fails while attempting to parse malformed network data sent by a threat actor. A threat actor with network access can remotely issue a specially formatted UDP request that will cause the entire device to crash and require
How urgent is CVE-2022-38100?
Priority 47/100. High severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2022-3027 MEDIUM 5.7 MITIGATE The CMS8000 device does not properly control or sanitize the SSID name of a new Wi-Fi access point
- CVE-2022-38453 LOW 3.0 MITIGATE Multiple binary application files on the CMS8000 device are compiled with 'not stripped' and 'debug_info' comp
- CVE-2022-38069 MEDIUM 4.3 MITIGATE Multiple globally default credentials exist across all CMS8000 devices, that once exposed, allow a threat acto
- CVE-2022-36385 MEDIUM 6.8 MITIGATE A threat actor with momentary access to the device can plug in a USB drive and perform a malicious firmware up