CVE-2022-30426
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk27th percentile - higher than 27% of all known CVEs
Summary
A stack buffer overflow vulnerability in the UEFI DXE driver on some Acer products could lead to arbitrary code execution. An attacker could exploit this to escalate privileges from ring 3 to ring 0 and hijack control flow during UEFI DXE execution.
Risk Assessment
The risk for the organization includes potential full system compromise by an attacker with administrator privileges, leading to data theft, malware installation, or permanent system damage.
Recommendation
It is recommended to immediately update the firmware of affected Acer products to the latest available version if a patch is provided. If no update is available, restrict physical access to the devices and monitor systems for suspicious activity.
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Original NVD description (English source)
There is a stack buffer overflow vulnerability, which could lead to arbitrary code execution in UEFI DXE driver on some Acer products. An attack could exploit this vulnerability to escalate privilege from ring 3 to ring 0, and hijack control flow during UEFI DXE execution. This affects Altos T110 F3 firmware version <= P13 (latest) and AP130 F2 firmware version <= P04 (latest) and Aspire 1600X firmware version <= P11.A3L (latest) and Aspire 1602M firmware version <= P11.A3L (latest) and Aspire 7600U firmware version <= P11.A4 (latest) and Aspire MC605 firmware version <= P11.A4L (latest) and Aspire TC-105 firmware version <= P12.B0L (latest) and Aspire TC-120 firmware version <= P11-A4 (latest) and Aspire U5-620 firmware version <= P11.A1 (latest) and Aspire X1935 firmware version <= P11.A3L (latest) and Aspire X3475 firmware version <= P11.A3L (latest) and Aspire X3995 firmware version <= P11.A3L (latest) and Aspire XC100 firmware version <= P11.B3 (latest) and Aspire XC600 firmware version <= P11.A4 (latest) and Aspire Z3-615 firmware version <= P11.A2L (latest) and Veriton E430G firmware version <= P21.A1 (latest) and Veriton B630_49 firmware version <= AAP02SR (latest) and Veriton E430 firmware version <= P11.A4 (latest) and Veriton M2110G firmware version <= P21.A3 (latest) and Veriton M2120G fir.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

