What is CVE-2017-11320?

CVE-2017-11320 is a medium-severity vulnerability in Technicolor Tc7337, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-03.

How severe is CVE-2017-11320?

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

XSS in Technicolor Tc7337

CVE-2017-11320

Persistent XSS through the SSID of nearby Wi-Fi devices on Technicolor TC7337 routers 08.89.17.20.00 allows an attacker to cause DNS Poisoning and steal credentials from the router.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-08-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Technicolor Tc7337
Technicolor Tc7337 Firmware — versions 08.89.17.20.00

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

seclists.org/fulldisclosure/2017/Aug/3 (Exploit, Mailing List, Third Party Advisory)
www.exploit-db.com/exploits/42427/ (exploit)

Frequently asked questions

What is CVE-2017-11320?: CVE-2017-11320 is a medium-severity vulnerability in Technicolor Tc7337, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-03.
How severe is CVE-2017-11320?: Medium severity. CVSS v3 base score is 6.1 out of 10.