Cisco Meraki MR20 Firmware vulnerabilities

5 CVEs affecting Cisco Meraki MR20 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2020-26141, published 2021-05-11.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2020-26139, published 2021-05-11. Medium severity, CVSS 5.3. EPSS: 6.5% chance of exploitation in the next 30 days. An issue was discovered in the kernel in NetBSD 7.1. An Access Point (AP) forwards EAPOL frames to other clients even though the sender has not yet successfully authenticated to the AP. This might be…
CVE-2020-24588, published 2021-05-11. Low severity, CVSS 3.5. EPSS: 3.6% chance of exploitation in the next 30 days. The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the A-MSDU flag in the plaintext QoS header field is…
CVE-2020-26141, published 2021-05-11. Medium severity, CVSS 6.5. EPSS: 3.1% chance of exploitation in the next 30 days. An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. An…
CVE-2020-26140, published 2021-05-11. Medium severity, CVSS 6.5. EPSS: 2.9% chance of exploitation in the next 30 days. An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext frames in a protected Wi-Fi network. An adversary can…
CVE-2020-24587, published 2021-05-11. Low severity, CVSS 2.6. EPSS: 2.6% chance of exploitation in the next 30 days. The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that all fragments of a frame are encrypted under the same key. An…