PatchTheCVECVE-2022-40918: Buffer overflow in firmware lewei_cam binary version 2.0.10 in Force 1 Discovery Wifi U818A HD+ FPV Drone allo
CVE-2022-40918 is a critical-severity flaw (CVSS 9.8) affecting discovery wifi u818a hd\+ fpv firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Buffer overflow in firmware lewei_cam binary version 2.0.10 in Force 1 Discovery Wifi U818A HD+ FPV Drone allows attacker to gain remote code execution as root user via a specially crafted UDP packet. Please update the Reference section to these links > http://thiscomputer.com/ > https://www.bostoncyber.org/ > https://medium.com/@meekworth/exploiting-the-lw9621-drone-camera-module-773f00081368
Why this priority
- Critical severity
- Public exploit reference
- 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 | 1.9% (top 20%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2022-12-06 |
| 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-2022-40918?
discovery wifi u818a hd\+ fpv firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-40918 being exploited?
CVE-2022-40918 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-2022-40918 affect?
CVE-2022-40918 affects discovery wifi u818a hd\+ fpv firmware. Severity is critical (CVSS 9.8). Buffer overflow in firmware lewei_cam binary version 2.0.10 in Force 1 Discovery Wifi U818A HD+ FPV Drone allows attacker to gain remote code execution as root user via a specially crafted UDP packet. Please update the Reference section to
How urgent is CVE-2022-40918?
Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action