Vulnerability Name:

CVE-2020-5795 (CCN-191329)

Assigned:2020-11-05
Published:2020-11-05
Updated:2020-11-19
Summary:UNIX Symbolic Link (Symlink) Following in TP-Link Archer A7(US)_V5_200721 allows an authenticated admin user, with physical access and network access, to execute arbitrary code after plugging a crafted USB drive into the router.
CVSS v3 Severity:6.2 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-59
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-5795

Source: XF
Type: UNKNOWN
tplink-cve20205795-symlink(191329)

Source: CCN
Type: Tenable Advisory ID: TRA-2020-60
TP-Link Archer A7 v5 Router USB Symlink Following Vulnerability

Source: MISC
Type: Exploit, Third Party Advisory
https://www.tenable.com/security/research/tra-2020-60

Source: CCN
Type: TP-Link Web site
Download for Archer A7 V5

Vulnerable Configuration:Configuration 1:
  • cpe:/o:tp-link:archer_a7_firmware:200721:*:*:*:*:*:*:*
  • AND
  • cpe:/h:tp-link:archer_a7:v5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    tp-link archer a7 firmware 200721
    tp-link archer a7 v5