CVE-2018-11714 in the critical feed json
An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v…
published 2018-06-04 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-3733
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 67.1%
- EPSS 67.1% chance of exploitation in 30 days, percentile 99.3%
- public exploits
- 0
- none known
Summary
An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of "Referer: http://192.168.0.1/mainFrame.htm" then no authentication is required for any action.
Exploit prediction
67.06% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/44781/ referenced PoC, tagged "exploit" by a source, unverified
- blog.securelayer7.net http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-384 Session Fixation
References
-
exploit-db.com
/exploits/44781/
exploit, third-party-advisory, vdb-entry
-
blog.securelayer7.net
/time-to-disable-tp-link-home-wifi-router/
exploit, third-party-advisory
Sources
- CVE List CVE-2018-11714
- NVD CVE-2018-11714
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.