CVE-2018-11714

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
VendorProductVersion
tp-linktl-wr840n_firmware
0.9.1_3.16:_3.16
tp-linktl-wr841n_firmware
0.9.1_4.16:_4.16
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/
https://www.exploit-db.com/exploits/44781/
http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/
https://www.exploit-db.com/exploits/44781/