How severe is CVE-2022-30426?

CVE-2022-30426 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-30426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-30426?

CVE-2022-30426 primarily affects Acer Altos T110 F3 Firmware. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-30426?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-30426 published?

CVE-2022-30426 was published on 2022-09-23 and last updated on 2026-07-05.

CVE-2022-30426

CVE-2022-30426 is a high-severity vulnerability in Acer Altos T110 F3 Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Acer Altos T110 F3 Firmware
Published: 2022-09-23
Last modified: 2026-07-05

Description

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.

Frequently asked questions

What is CVE-2022-30426?: 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.
How severe is CVE-2022-30426?: CVE-2022-30426 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-30426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-30426?: CVE-2022-30426 primarily affects Acer Altos T110 F3 Firmware. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-30426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-30426 published?: CVE-2022-30426 was published on 2022-09-23 and last updated on 2026-07-05.

References

Affected products (34)

cpe:2.3:o:acer:altos_t110_f3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:ap130_f2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_1600x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_1602m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_7600u_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_mc605_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_tc-105_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_tc-120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_u5-620_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_x1935_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_x3475_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_x3995_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_xc100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_xc600_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_z3-615_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_b630_49_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_e430g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_e430_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_m2110g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_m2120g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_m2611g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_m2611_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_m4620_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_m4620g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_m6620g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_n2620g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_n4620g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_n4630g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_s6620g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_x2611g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_x2611_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_x4620g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_x6620g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:acer:veriton_z2650g_firmware:*:*:*:*:*:*:*:*

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