CVE-2022-40918
CVE-2022-40918 is a critical-severity vulnerability in Force1rc Discovery Wifi U818a Hd+ Fpv Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Force1rc Discovery Wifi U818a Hd+ Fpv Firmware
- Published:
- Last modified:
Description
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
Frequently asked questions
- What is CVE-2022-40918?
- 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
- How severe is CVE-2022-40918?
- CVE-2022-40918 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-40918 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-40918?
- CVE-2022-40918 affects Force1rc Discovery Wifi U818a Hd+ Fpv Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-40918?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-40918 published?
- CVE-2022-40918 was published on 2022-12-06 and last updated on 2026-06-17.
References
- https://1af95112-6fd8-4c8f-8bd6-c47f8ef7b77a.filesusr.com/ugd/c1f861_51eb0d33d5764efc93e9d5f19c306950.pdf
- https://medium.com/%40meekworth/exploiting-the-lw9621-drone-camera-module-773f00081368
Affected products (1)
- cpe:2.3:o:force1rc:discovery_wifi_u818a_hd\+_fpv_firmware:2.0.10:*:*:*:*:*:*:*
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…