XSS in TP-Link Tl-Wr840n

CVE-2019-12195

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.018 (76.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-12195?
CVE-2019-12195 is a medium-severity vulnerability in TP-Link Tl-Wr840n, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-05-24.
How severe is CVE-2019-12195?
Medium severity. CVSS v3 base score is 4.8 out of 10.