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CVE-2021-0053

20
FAUCET Score

CVE-2021-0053 describes an improper initialization vulnerability in the firmware of certain Intel PROSet/Wireless WiFi and Killer WiFi products running on Windows 10. This flaw could allow an authenticated user, with adjacent network access, to potentially disclose sensitive information. Rated as MEDIUM severity with a CVSS score of 5.7, it requires low privileges and low attack complexity, but could lead to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 22.40CPE matchmatch criteria
cpe:2.3:o:intel:ax210_firmware:*:*:*:*:*:*:*:*
< 22.40CPE matchmatch criteria
cpe:2.3:o:intel:ax201_firmware:*:*:*:*:*:*:*:*
< 22.40CPE matchmatch criteria
cpe:2.3:o:intel:ax200_firmware:*:*:*:*:*:*:*:*
< 22.40CPE matchmatch criteria
cpe:2.3:o:intel:ac_9560_firmware:*:*:*:*:*:*:*:*
< 22.40CPE matchmatch criteria
cpe:2.3:o:intel:ac_9462_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.7MEDIUM

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 46th percentile among its peer group of 314 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

intel.com / content/www/us/en/security-center/advisory/intel-sa-00509.html
Vendor Advisory