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Fencer Vulns
high 7.8

CVE-2022-30426 json

There is a stack buffer overflow vulnerability, which could lead to arbitrary code execution in UEFI DXE driver on some Acer products.

published 2022-09-22 4 y ago modified 2026-07-09 4 mo ago also EUVD-2022-52332

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

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.

Patch / fix

  • acer altos_t110_f3_firmware p13
  • acer ap130_f2_firmware p04
  • acer aspire_1600x_firmware p11.a3l
  • acer aspire_1602m_firmware p11.a3l
  • acer aspire_7600u_firmware p11.a4
  • acer aspire_mc605_firmware p11.a4l
  • acer aspire_tc-105_firmware p12.b0l
  • acer aspire_tc-120_firmware p11-a4
  • acer aspire_u5-620_firmware p11.a1
  • acer aspire_x1935_firmware p11.a3l
  • acer aspire_x3475_firmware p11.a3l
  • acer aspire_x3995_firmware p11.a3l
  • acer aspire_xc100_firmware p11.b3
  • acer aspire_xc600_firmware p11.a4
  • acer aspire_z3-615_firmware p11.a2l
  • acer veriton_b630_49_firmware aap02sr
  • acer veriton_e430g_firmware p21.a1
  • acer veriton_e430_firmware p11.a4
  • acer veriton_m2110g_firmware p21.a3
  • acer veriton_m2120g_firmware p11-a3

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
17 mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/10TG/vulnerabilities/blob/main/Acer/CVE-2022-30426/CVE-2022-30426.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.