There is a buffer overflow vulnerability in Mate 30 10.1.0.126(C00E125R5P3). A module does not verify the some input when dealing with messages. Attackers can exploit this vulnerability by sending malicious input through specific module. This could cause buffer overflow, compromising normal service.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-22305
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210127-04-smartphone-en