What is CVE-2022-42202?

CVE-2022-42202 is a medium-severity vulnerability in TP-Link Tl-Wr841n, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-18.

How severe is CVE-2022-42202?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in TP-Link Tl-Wr841n

CVE-2022-42202

TP-Link TL-WR841N 8.0 4.17.16 Build 120201 Rel.54750n is vulnerable to Cross Site Scripting (XSS).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-10-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.4th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000

Affected products

TP-Link Tl-Wr841n — versions 8.0
TP-Link Tl-Wr841n Firmware — versions 4.17.16_build_120201_rel.54750n

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.yuque.com/docs/share/b85b8c6f-60ea-4d5c-acc5-3c4285806328 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-42202?: CVE-2022-42202 is a medium-severity vulnerability in TP-Link Tl-Wr841n, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-18.
How severe is CVE-2022-42202?: Medium severity. CVSS v3 base score is 6.1 out of 10.