CVE-2021-0630 Integer overflow in MT6761, MT6762, MT6765, MT6768, MT6779, MT6785, MT6833, MT6853, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8163, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8183, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8735A, MT8735B, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797

What is CVE-2021-0630?

CVE-2021-0630 is a high-severity vulnerability in Google Android, published on 25 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In wifi driver, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05551397; Issue ID: ALPS05551397.

Weakness: CWE-190

Which versions are affected by CVE-2021-0630?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0630?

No fix has been published for CVE-2021-0630 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-0630 being exploited?

There is no known exploitation of CVE-2021-0630 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7mrc-h2xw-3mvp.