Vulnerability Name:

CVE-2021-41788 (CCN-215284)

Assigned:2021-12-13
Published:2021-12-13
Updated:2022-01-06
Summary:MediaTek microchips, as used in NETGEAR devices through 2021-12-13 and other devices, mishandle attempts at Wi-Fi authentication flooding. (Affected Chipsets MT7603E, MT7612, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915; Affected Software Versions 7.4.0.0).
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L)
6.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
6.1 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-41788

Source: CONFIRM
Type: Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/January-2022

Source: XF
Type: UNKNOWN
netgear-cve202141788-sec-bypass(215284)

Source: MISC
Type: Third Party Advisory
https://kb.netgear.com/000064369/Security-Advisory-for-WiFi-Authentication-Flooding-Vulnerabilities-on-Multiple-Products-PSV-2021-0299-PSV-2021-0301

Source: CCN
Type: NETGEAR Security Advisory: PSV-2021-0299 and PSV-2021-0301
Security Advisory for WiFi Authentication Flooding Vulnerabilities on Multiple Products

Vulnerable Configuration:Configuration 1:
  • cpe:/o:mediatek:mt7603e_firmware:7.4.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt7603e:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:mediatek:mt7612_firmware:7.4.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt7612:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:mediatek:mt7613_firmware:7.4.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt7613:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:mediatek:mt7615_firmware:7.4.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt7615:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:mediatek:mt7622_firmware:7.4.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt7622:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:mediatek:mt7628_firmware:7.4.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt7628:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:mediatek:mt7629_firmware:7.4.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt7629:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:mediatek:mt7915_firmware:7.4.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt7915:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    mediatek mt7603e firmware 7.4.0.0
    mediatek mt7603e -
    mediatek mt7612 firmware 7.4.0.0
    mediatek mt7612 -
    mediatek mt7613 firmware 7.4.0.0
    mediatek mt7613 -
    mediatek mt7615 firmware 7.4.0.0
    mediatek mt7615 -
    mediatek mt7622 firmware 7.4.0.0
    mediatek mt7622 -
    mediatek mt7628 firmware 7.4.0.0
    mediatek mt7628 -
    mediatek mt7629 firmware 7.4.0.0
    mediatek mt7629 -
    mediatek mt7915 firmware 7.4.0.0
    mediatek mt7915 -