CVE-2018-11714 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wr840N Firmware	0.9.1_3.16
Tp-Link	Tl-Wr840N	5.0
Tp-Link	Tl-Wr841N Firmware	0.9.1_4.16
Tp-Link	Tl-Wr841N	13.0

Related Weaknesses (CWE)

CWE-384

References

http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/ExploitThird Party Advisory
https://www.exploit-db.com/exploits/44781/ExploitThird Party AdvisoryVDB Entry
http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/ExploitThird Party Advisory
https://www.exploit-db.com/exploits/44781/ExploitThird Party AdvisoryVDB Entry

FAQ

What is CVE-2018-11714?

CVE-2018-11714 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2018-11714?

CVE-2018-11714 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-11714?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr840N Firmware, Tp-Link Tl-Wr840N, Tp-Link Tl-Wr841N Firmware, Tp-Link Tl-Wr841N.