Siemens Ruggedcom APR1808 Firmware vulnerabilities

2 CVEs affecting Siemens Ruggedcom APR1808 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-33626, published 2021-10-01.

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

• CVE-2020-27339, published 2021-06-16. Medium severity, CVSS 6.7. EPSS: 0.3% chance of exploitation in the next 30 days. In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory.…
• CVE-2021-33626, published 2021-10-01. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer).…