What is CVE-2018-15702?

CVE-2018-15702 is a high-severity vulnerability in TP-Link Tl-Wrn841n, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-10-01.

How severe is CVE-2018-15702?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in TP-Link Tl-Wrn841n

CVE-2018-15702

The web interface in TP-Link TL-WRN841N 0.9.1 4.16 v0348.0 is vulnerable to CSRF due to insufficient validation of the referer field.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-10-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.6th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

TP-Link Tl-Wrn841n
TP-Link Tl-Wrn841n Firmware — versions 0.9.1_4.16_v0348.0
TP-Link Tl-Wrn841n — versions Firmware versions 0.9.1 4.16 v0348.0 and below

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

www.tenable.com/security/research/tra-2018-27 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-15702?: CVE-2018-15702 is a high-severity vulnerability in TP-Link Tl-Wrn841n, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-10-01.
How severe is CVE-2018-15702?: High severity. CVSS v3 base score is 8.8 out of 10.