CVE-2019-12195 json
TP-Link TL-WR840N v5 00000005 devices allow XSS via the network name.
published 2019-05-24 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-3843
- cvss
- 4.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 1
- Exploit-DB
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.
Timeline
- First public exploit (EDB-46882)
- Published
Exploit prediction
1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-46882 TP-LINK TL-WR840N v5 00000005 - Cross-Site Scripting webapps, 2019-05-21
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.8 | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
tp-link.com
/us/security
vendor-advisory
-
packetstormsecurity.com
/files/153027/TP-LINK-TL-WR840N-Cross-Site-Scripting.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2019-12195
- NVD CVE-2019-12195
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