CVE-2021-40043
CVE-2021-40043 is a high-severity vulnerability in Huawei Ais-bw80h-00 Firmware with a CVSS 3.x base score of 7.8. 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-77.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Huawei Ais-bw80h-00 Firmware
- Published:
- Last modified:
Description
The laser command injection vulnerability exists on AIS-BW80H-00 versions earlier than AIS-BW80H-00 9.0.3.4(H100SP13C00). The devices cannot effectively defend against external malicious interference. Attackers need the device to be visually exploitable and successful triggering of this vulnerability could execute voice commands on the device.
Frequently asked questions
- What is CVE-2021-40043?
- The laser command injection vulnerability exists on AIS-BW80H-00 versions earlier than AIS-BW80H-00 9.0.3.4(H100SP13C00). The devices cannot effectively defend against external malicious interference. Attackers need the device to be visually exploitable and successful triggering of this vulnerability could execute voice commands on the device.
- How severe is CVE-2021-40043?
- CVE-2021-40043 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-40043 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40043?
- CVE-2021-40043 affects Huawei Ais-bw80h-00 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40043?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-40043 published?
- CVE-2021-40043 was published on 2022-02-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:huawei:ais-bw80h-00_firmware:*:*:*:*:*:*:*:*
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