An XSS vulnerability on Technicolor TC7300 STFA.51.20 devices allows remote attackers to inject arbitrary web script via the "Connected Cli…

published 2019-11-13 6y ago modified 2026-06-17 4mo ago also EUVD-2019-7875

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

An XSS vulnerability on Technicolor TC7300 STFA.51.20 devices allows remote attackers to inject arbitrary web script via the "Connected Clients" field to /wlanAccess.asp. An intranet host can use a crafted hostname to exploit this.

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Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

gitlab.com https://gitlab.com/luiss/cve_repo/blob/master/CVE-2019-17523/README.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

gitlab.com /luiss/cve_repo/blob/master/CVE-2019-17523/README.md
exploit, third-party-advisory
technicolor.com /news
product

Sources

CVE List CVE-2019-17524
NVD CVE-2019-17524

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