Review reviewCritical

CVE-2022-41415

altos w2000h-w570h f4 firmware, altos w2000h-w570h f4

Acer Altos W2000h-W570h F4 R01.03.0018 was discovered to contain a stack overflow in the RevserveMem component. This vulnerability allows attackers to cause a Denial of Service (DoS) via injecting crafted shellcode into the NVRAM variable.

CVSS
9.8
EPSS
0.94%
57.4% percentile
CISA KEV
Not listed
Published
2022.10.19
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.94%
Technical severityCVSS 9.8

Vulnerability overview

Acer Altos W2000h-W570h F4 R01.03.0018 was discovered to contain a stack overflow in the RevserveMem component. This vulnerability allows attackers to cause a Denial of Service (DoS) via injecting crafted shellcode into the NVRAM variable.

Affected product and versions

Product
altos w2000h-w570h f4 firmware, altos w2000h-w570h f4
Affected versions
r01.03.0018
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that altos w2000h-w570h f4 firmware, altos w2000h-w570h f4 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-787
CVE-2022-41415 — altos w2000h-w570h f4 firmware, altos w2000h-w570h f4 | SECUFOCUS NOW