How severe is CVE-2019-17523?

CVE-2019-17523 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-17523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17523?

CVE-2019-17523 affects Technicolor Tc7300.b0 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17523?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-17523 published?

CVE-2019-17523 was published on 2019-11-13 and last updated on 2026-06-17.

CVE-2019-17523

CVE-2019-17523 is a medium-severity vulnerability in Technicolor Tc7300.b0 Firmware with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Technicolor Tc7300.b0 Firmware
Published: 2019-11-13
Last modified: 2026-06-17

Description

An XSS vulnerability on Technicolor TC7300 STFA.51.20 devices allows remote attackers to inject arbitrary web script via the FileName parameter to /FTPDiag.asp.

Frequently asked questions

What is CVE-2019-17523?: An XSS vulnerability on Technicolor TC7300 STFA.51.20 devices allows remote attackers to inject arbitrary web script via the FileName parameter to /FTPDiag.asp.
How severe is CVE-2019-17523?: CVE-2019-17523 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-17523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17523?: CVE-2019-17523 affects Technicolor Tc7300.b0 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17523?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-17523 published?: CVE-2019-17523 was published on 2019-11-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:technicolor:tc7300.b0_firmware:stfa.51.20:*:*:*:*:*:*:*

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