What is CVE-2021-31655?

CVE-2021-31655 is a medium-severity vulnerability in Trendnet Tv-Ip110wn, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-10.

How severe is CVE-2021-31655?

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

Is CVE-2021-31655 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Trendnet Tv-Ip110wn

CVE-2021-31655

Cross Site Scripting (XSS) vulnerability in TRENDnet TV-IP110WN V1.2.2.64 V1.2.2.65 V1.2.2.68 via the profile parameter. in a GET request in view.cgi.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-08-10 · last modified 2026-07-09.

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: 0.007 (53.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Trendnet Tv-Ip110wn
Trendnet Tv-Ip110wn Firmware — versions 1.2.2.64, 1.2.2.65, 1.2.2.68

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

n0-traces/cve_

References

af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
github.com/yinfeidi/Vuls/blob/main/TRENDnet TV-IP110WN/CVE-2021-31655.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-31655?: CVE-2021-31655 is a medium-severity vulnerability in Trendnet Tv-Ip110wn, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-10.
How severe is CVE-2021-31655?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-31655 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.