Vulnerability Name:

CVE-2019-12195 (CCN-161394)

Assigned:2019-05-10
Published:2019-05-10
Updated:2019-05-29
Summary:TP-Link TL-WR840N v5 00000005 devices allow XSS via the network name. The attacker must log into the router by breaking the password and going to the admin login page by THC-HYDRA to get the network name. With an XSS payload, the network name changed automatically and the internet connection was disconnected. All the users become disconnected from the internet.
CVSS v3 Severity:4.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:H/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2019-12195

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/153027/TP-LINK-TL-WR840N-Cross-Site-Scripting.html

Source: XF
Type: UNKNOWN
tplink-tlwr840n-cve201912195-xss(161394)

Source: CCN
Type: Packet Storm Security [05-21-2019]
TP-LINK TL-WR840N Cross Site Scripting

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [05-21-2019]

Source: CCN
Type: TP-Link Web site
TP-Link: WiFi Networking Equipment for Home & Business

Source: MISC
Type: Vendor Advisory
https://www.tp-link.com/us/security

Vulnerable Configuration:Configuration 1:
  • cpe:/o:tp-link:tl-wr840n_firmware:0.9.1_3.16:*:*:*:*:*:*:*
  • AND
  • cpe:/h:tp-link:tl-wr840n:5.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    tp-link tl-wr840n firmware 0.9.1_3.16
    tp-link tl-wr840n 5.0