CVE-2018-11714

highpriority · attend · 72EPSS 0.671 · 99 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

67.1% (99th) EPSS

CVSS 10 · high

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-24

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

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.8–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-384USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

mikelkarma/cve-2018-11714_POCAn issue was discovered on TP-Link TL-WR840N. 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.PoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
tp-link tl-wr840n firmware= 0.9.1_3.16nvdUScpe:2.3:o:tp-link:tl-wr840n_firmware:*:*:*:*:*:*:*:*
tp-link tl-wr841n firmware= 0.9.1_4.16nvdUScpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-06-04modified 2026-06-17

related (606)

Related entries.

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+601 more

references (7)

External citations — patches, advisories, analysis.

http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/cnnvd
http://www.tp-link.com/Patchcnnvd
https://www.exploit-db.com/exploits/44781/cnnvd
http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/enisa_euvd
https://www.exploit-db.com/exploits/44781/enisa_euvd
http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/ExploitThird Party Advisorynvd
https://www.exploit-db.com/exploits/44781/ExploitThird Party AdvisoryVDB Entrynvd

scry

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