Vulnerability Name:

CVE-2021-45523 (CCN-215760)

Assigned:2021-12-20
Published:2021-12-20
Updated:2022-01-04
Summary:NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
5.5 Medium (CCN CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45523

Source: XF
Type: UNKNOWN
netgear-psv20180418-bo(215760)

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000064442/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R7000-PSV-2018-0418

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0418
Security Advisory for Post-Authentication Buffer Overflow on R7000

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.9.42)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear r7000 firmware *
    netgear r7000 -
    netgear r7000 -