Vulnerability Name:

CVE-2020-35786 (CCN-193614)

Assigned:2020-12-22
Published:2020-12-22
Updated:2020-12-30
Summary:NETGEAR R7800 devices before 1.0.2.74 are affected by a buffer overflow by an authenticated user.
CVSS v3 Severity:4.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/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): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/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): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:2.7 Low (CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
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:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-35786

Source: XF
Type: UNKNOWN
netgear-psv20200218-dos(193614)

Source: CCN
Type: NETGEAR Security Advisory: 000062718
Security Advisory for Post-Authentication Buffer Overflow on R7800

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000062718/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R7800-PSV-2020-0218

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r7800_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.74)
  • AND
  • cpe:/h:netgear:r7800:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:netgear:r7800:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear r7800 firmware *
    netgear r7800 -
    netgear r7800 -