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CVE-2021-44545

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may...

6.5 MediumFix available

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.49%Down 0.4 points since Aug 19, 2022
90%50%10%1%

What each source reports

NVD Score used 6.5

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Record
CVE-2021-44545
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02
CVE List 6.5

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Record
CVE-2021-44545
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02
EUVDEUVD-2021-31376 6.5

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Record
EUVD-2021-31376
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-938j-25px-7rch 6.5

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may...

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Record
GHSA-938j-25px-7rch
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02
OSV 6.5

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Record
CVE-2021-44545
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2021-44545 6.5

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Record
DEBIAN-CVE-2021-44545
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
firmware-nonfree
Debian:12
 before 20220913-1, plus listed versions
0.10.100.110.120.13
Show 45 moreShow less
0.13~bpo40+10.140.14+lenny10.14+lenny20.150.160.16~bpo50+10.170.17~bpo50+10.180.190.20.200.210.220.230.23~bpo50+10.240.24~bpo50+10.250.260.270.27~bpo50+10.280.28+squeeze10.290.30.300.310.320.32~bpo60+10.330.340.350.35~bpo60+10.360.36+wheezy.10.36+wheezy.1~bpo60+10.370.380.38~bpo70+10.390.39~bpo70+10.40.4+etchnhalf.1
20220913-1
firmware-nonfree
Debian:13
 before 20220913-1, plus listed versions
0.10.100.110.120.13
Show 45 moreShow less
0.13~bpo40+10.140.14+lenny10.14+lenny20.150.160.16~bpo50+10.170.17~bpo50+10.180.190.20.200.210.220.230.23~bpo50+10.240.24~bpo50+10.250.260.270.27~bpo50+10.280.28+squeeze10.290.30.300.310.320.32~bpo60+10.330.340.350.35~bpo60+10.360.36+wheezy.10.36+wheezy.1~bpo60+10.370.380.38~bpo70+10.390.39~bpo70+10.40.4+etchnhalf.1
20220913-1
firmware-nonfree
Debian:14
 before 20220913-1, plus listed versions
0.10.100.110.120.13
Show 45 moreShow less
0.13~bpo40+10.140.14+lenny10.14+lenny20.150.160.16~bpo50+10.170.17~bpo50+10.180.190.20.200.210.220.230.23~bpo50+10.240.24~bpo50+10.250.260.270.27~bpo50+10.280.28+squeeze10.290.30.300.310.320.32~bpo60+10.330.340.350.35~bpo60+10.360.36+wheezy.10.36+wheezy.1~bpo60+10.370.380.38~bpo70+10.390.39~bpo70+10.40.4+etchnhalf.1
20220913-1
firmware-nonfree
Debian:10
From an advisory covering 11 CVEs
 before 20190114+really20220913-0+deb10u1, plus listed versions
0.10.100.110.120.13
Show 45 moreShow less
0.13~bpo40+10.140.14+lenny10.14+lenny20.150.160.16~bpo50+10.170.17~bpo50+10.180.190.20.200.210.220.230.23~bpo50+10.240.24~bpo50+10.250.260.270.27~bpo50+10.280.28+squeeze10.290.30.300.310.320.32~bpo60+10.330.340.350.35~bpo60+10.360.36+wheezy.10.36+wheezy.1~bpo60+10.370.380.38~bpo70+10.390.39~bpo70+10.40.4+etchnhalf.1
20190114+really20220913-0+deb10u1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-44545 is a medium vulnerability (CVSS 6.5) in Intel Killer Ac 1550 Firmware, published August 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. Fixed in firmware-nonfree 20220913-1.

References

This page doesn't list everything

Left out here: 292 versions. The JSON record has them.

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