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Medium severity · published May 24, 2019
CVE-2019-12195
TP-Link TL-WR840N v5 00000005 devices allow XSS via the network name
4.8
CVSS
1.8%
EPSS
No
On KEV
Description
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 vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tl-wr840n Firmware · Tp-link
0.9.1_3.16 · source: NVD
Affected product
TF
Tl-wr840n Firmware
Tp-link
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12195
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-12195
Third Party Advisory
http://packetstormsecurity.com/files/153027/TP-LINK-TL-WR840N-Cross-Site-Scripting.html
Vendor Advisory
https://www.tp-link.com/us/security
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