What’s Vulnerable › Vulnerabilities

CVE-2019-18991

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-30 · updated 2026-06-17
• Weakness: CWE-290

Description

A partial authentication bypass vulnerability exists on Atheros AR9132 3.60(AMX.8), AR9283 1.85, and AR9285 1.0.0.12NA devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where the packet is routed through the network. If successful, a response is sent back as an encrypted frame, which would allow an attacker to discern information or potentially modify data.

Affected products

• Qualcomm Atheros Ar9132 Firmware: 3.60(amx.8)
• Qualcomm Atheros Ar9283 Firmware: 1.85
• Qualcomm Atheros Ar9285 Firmware: 1.0.0.12na

References

• https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/
• https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/

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