CVE-2018-11714
CRITICALEPSS 98th pctlDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 98% of all known CVEs.
References
Related Vulnerabilities
Other CWE-384 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2018-18925 | Critical | 9.8 | 31% | - | - |
| CVE-2019-12258 | High | 7.5 | 23% | - | Fix |
| CVE-2018-17199 | High | 7.5 | 21% | - | Fix |
| CVE-2019-10008 | High | 8.8 | 20% | - | - |
| CVE-2024-50339 | Medium | 5.3 | 20% | - | Fix |
| CVE-2017-12965 | Critical | 9.8 | 16% | - | - |
Common questions
How do I fix CVE-2018-11714?
No published fix for CVE-2018-11714 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2018-11714 being actively exploited?
Not that we know of. CVE-2018-11714 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 35.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 98% of all scored CVEs.
How severe is CVE-2018-11714?
CVE-2018-11714 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.