CVE-2009-0052: The Atheros wireless driver, as used in Netgear WNDAP330 Wi-Fi access point with firmware 2.1.11 and other ver

Routine

MEDIUM 5.5DOWNGRADEMITIGATE

CVE-2009-0052 is a medium-severity flaw (CVSS 5.5) affecting wndap330 firmware, ar9160-bc1a chipset. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Atheros wireless driver, as used in Netgear WNDAP330 Wi-Fi access point with firmware 2.1.11 and other versions before 3.0.3 on the Atheros AR9160-BC1A chipset, and other products, allows remote authenticated users to cause a denial of service (device reboot or hang) and possibly execute arbitrary code via a truncated reserved management frame.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Published	2009-11-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: atheros · netgear

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2009-11-12 23:30 UTCPublished CVE record published
2026-06-16 23:04 UTCUpdated Record last modified

netgear wndap330 firmware DOWNGRADE

Affected: 2.1.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.11

1. Check installed version

apt-cache policy wndap330-firmware || rpm -q wndap330-firmware || wndap330-firmware --version

2. No fixed release: DOWNGRADE to a release before 2.1.11 (Debian / Ubuntu)

apt-cache madison wndap330-firmware sudo apt install wndap330-firmware=<VERSION_BEFORE_2.1.11> sudo apt-mark hold wndap330-firmware

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wndap330-firmware sudo dnf downgrade wndap330-firmware-<VERSION_BEFORE_2.1.11> sudo dnf versionlock add wndap330-firmware

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

atheros ar9160-bc1a chipset MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2009-0052?

wndap330 firmware: downgrade or apply the listed mitigation; ar9160-bc1a chipset: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-0052 being exploited?

CVE-2009-0052 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2009-0052 affect?

CVE-2009-0052 affects wndap330 firmware, ar9160-bc1a chipset. Severity is medium (CVSS 5.5). The Atheros wireless driver, as used in Netgear WNDAP330 Wi-Fi access point with firmware 2.1.11 and other versions before 3.0.3 on the Atheros AR9160-BC1A chipset, and other products, allows remote authenticated users to cause a denial of

How urgent is CVE-2009-0052?

Priority 36/100. No elevated risk signals yet.

Software pages

Netgear vulnerabilities · Wi-Fi vulnerabilities

References

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