Dell Vostro 3400 Firmware vulnerabilities

46 CVEs affecting Dell Vostro 3400 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-29988, published 2025-04-09.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2021-21571, published 2021-06-24. Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days. Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may…
• CVE-2021-21574, published 2021-06-24. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary…
• CVE-2021-21573, published 2021-06-24. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary…
• CVE-2021-21572, published 2021-06-24. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary…
• CVE-2022-22566, published 2022-02-09. High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days. Select Dell Client Commercial and Consumer platforms contain a pre-boot direct memory access (DMA) vulnerability. An authenticated attacker with physical access to the system may potentially exploit…
• CVE-2021-36342, published 2022-01-24. Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days. Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in…
• CVE-2021-36343, published 2022-01-24. Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in…
• CVE-2022-26861, published 2022-09-06. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated malicious user could exploit this vulnerability by sending malicious input via SMI to obtain…
• CVE-2022-26860, published 2022-09-06. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS versions contain a stack-based buffer overflow vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI to bypass security checks resulting in…
• CVE-2024-22448, published 2024-04-10. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains an Out-of-Bounds Write vulnerability. A local authenticated malicious user with admin privileges could potentially exploit this vulnerability, leading to denial of service.

Latest

• CVE-2025-29988, published 2025-04-09. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. Dell Client Platform BIOS contains a Stack-based Buffer Overflow Vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary code…
• CVE-2024-52541, published 2025-02-19. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. Dell Client Platform BIOS contains a Weak Authentication vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.
• CVE-2023-43078, published 2024-08-28. High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days. Dell Dock Firmware and Dell Client Platform contain an Improper Link Resolution vulnerability during installation resulting in arbitrary folder deletion, which could lead to Privilege Escalation or…
• CVE-2024-0158, published 2024-07-02. Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days. Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with admin privileges may potentially exploit this vulnerability to modify a UEFI variable, leading…
• CVE-2023-28063, published 2024-02-06. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability. A local authenticated malicious user with admin privileges could potentially exploit this vulnerability, leading to denial of…
• CVE-2023-28060, published 2023-06-23. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI…
• CVE-2023-28058, published 2023-06-23. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI…
• CVE-2023-28050, published 2023-06-23. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI…
• CVE-2023-28044, published 2023-06-23. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI…