Vulnerability Name:

CVE-2020-9374 (CCN-176783)

Assigned:2020-02-24
Published:2020-02-24
Updated:2022-01-01
Summary:On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
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): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.9 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-78
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-9374

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/156584/TP-Link-TL-WR849N-Remote-Code-Execution.html

Source: XF
Type: UNKNOWN
tplink-cve20209374-cmd-exec(176783)

Source: MISC
Type: Exploit, Third Party Advisory
https://fireshellsecurity.team/hack-n-routers/

Source: CCN
Type: GitHub Web site
TP LINK TL-WR849N - REMOTE COMMAND EXECUTION PoC

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/ElberTavares/routers-exploit/tree/master/tp-link

Source: CCN
Type: Packet Storm Security [03-02-2020]
TP-Link TL-WR849N Remote Code Execution

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [03-02-2020]

Source: CCN
Type: TP-Link Web site
TP-Link TL-WR849N

Vulnerable Configuration:Configuration 1:
  • cpe:/o:tp-link:tl-wr849n_firmware:0.9.1_4.16:*:*:*:*:*:*:*
  • AND
  • cpe:/h:tp-link:tl-wr849n:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    tp-link tl-wr849n firmware 0.9.1_4.16
    tp-link tl-wr849n -