PatchTheCVECVE-2020-9253: There is a stack overflow vulnerability in some Huawei smart phone
CVE-2020-9253 is a medium-severity flaw (CVSS 6.3) affecting lion-al00c firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
There is a stack overflow vulnerability in some Huawei smart phone. An attacker can craft specific packet to exploit this vulnerability. Due to insufficient verification, this could be exploited to tamper with the information to affect the availability. (Vulnerability ID: HWPSIRT-2019-11030) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9253.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
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-2020-9253?
lion-al00c firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-9253 being exploited?
CVE-2020-9253 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-2020-9253 affect?
CVE-2020-9253 affects lion-al00c firmware. Severity is medium (CVSS 6.3). There is a stack overflow vulnerability in some Huawei smart phone. An attacker can craft specific packet to exploit this vulnerability. Due to insufficient verification, this could be exploited to tamper with the information to affect the
How urgent is CVE-2020-9253?
Priority 26/100. No elevated risk signals yet.