CVE-2022-31226
HIGHCVSS 7.8/10EPSS 0.20%
Last modified
CVE-2022-31226 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Dell BIOS versions contain a Stack-based Buffer Overflow vulnerability. A local authenticated malicious user could potentially exploit this vulnerability by sending excess data to a function in order to gain arbitrary code execution on the system.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
Dell BIOS versions contain a Stack-based Buffer Overflow vulnerability. A local authenticated malicious user could potentially exploit this vulnerability by sending excess data to a function in order to gain arbitrary code execution on the system.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dell | Chengming 3900 Firmware | < 1.1.66 |
| Dell | Inspiron 14 Plus 7420 Firmware | < 1.2.0 |
| Dell | Inspiron 16 Plus 7620 Firmware | < 1.2.0 |
| Dell | Inspiron 3910 Firmware | < 1.1.66 |
| Dell | Inspiron 5320 Firmware | < 1.1.0 |
| Dell | Inspiron 5420 Firmware | < 1.4.1 |
| Dell | Inspiron 5620 Firmware | < 1.4.1 |
| Dell | Inspiron 7420 Firmware | < 1.3.0 |
| Dell | Inspiron 7620 Firmware | < 1.3.0 |
| Dell | Optiplex 3000 Firmware | < 1.1.66 |
| Dell | Optiplex 3000 Thin Client Firmware | < 1.0.7 |
| Dell | Optiplex 5000 Firmware | < 1.3.62 |
| Dell | Optiplex 5400 Firmware | < 1.0.13 |
| Dell | Optiplex 7000 Firmware | < 1.3.62 |
| Dell | Optiplex 7000 Oem Firmware | < 1.3.62 |
| Dell | Optiplex 7400 Firmware | < 1.0.13 |
| Dell | Precision 3460 Small Form Factor Firmware | < 1.3.62 |
| Dell | Precision 3660 Tower Firmware | < 1.3.71 |
| Dell | Precision 5770 Firmware | < 1.6.0 |
| Dell | Vostro 3710 Firmware | < 1.1.66 |
| Dell | Vostro 3910 Firmware | < 1.1.66 |
| Dell | Vostro 5320 Firmware | < 1.1.0 |
| Dell | Vostro 5620 Firmware | < 1.4.1 |
| Dell | Vostro 7620 Firmware | < 1.2.0 |
| Dell | Xps 17 9720 Firmware | < 1.6.0 |
References
- https://www.dell.com/support/kbdoc/000202196Patch, Vendor Advisory
- https://www.dell.com/support/kbdoc/000202196Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-31226?
Dell BIOS versions contain a Stack-based Buffer Overflow vulnerability. A local authenticated malicious user could potentially exploit this vulnerability by sending excess data to a function in order to gain arbitrary code execution on the system.
How severe is CVE-2022-31226?
CVE-2022-31226 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2022-31226?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-31226?
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