How severe is CVE-2019-25390?

CVE-2019-25390 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-2019-25390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-25390?

CVE-2019-25390 affects Smoothwall Smoothwall Express. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-25390?

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

Does CVE-2019-25390 have an EU (EUVD) identifier?

Yes. CVE-2019-25390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19625.

When was CVE-2019-25390 published?

CVE-2019-25390 was published on 2026-02-16 and last updated on 2026-06-17.

CVE-2019-25390

CVE-2019-25390 is a medium-severity vulnerability in Smoothwall Smoothwall Express 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 v4: 4.8
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2019-19625
Weakness: CWE-79
Affected product: Smoothwall Smoothwall Express
Published: 2026-02-16
Last modified: 2026-06-17

Description

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple reflected cross-site scripting vulnerabilities in the interfaces.cgi script that allow attackers to inject malicious scripts through multiple parameters including GREEN_ADDRESS, GREEN_NETMASK, RED_DHCP_HOSTNAME, RED_ADDRESS, DNS1_OVERRIDE, DNS2_OVERRIDE, RED_MAC, RED_NETMASK, DEFAULT_GATEWAY, DNS1, and DNS2. Attackers can craft POST requests to interfaces.cgi with script payloads in these parameters to execute arbitrary JavaScript in the context of authenticated administrator sessions.

Frequently asked questions

What is CVE-2019-25390?: Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple reflected cross-site scripting vulnerabilities in the interfaces.cgi script that allow attackers to inject malicious scripts through multiple parameters including GREEN_ADDRESS, GREEN_NETMASK, RED_DHCP_HOSTNAME, RED_ADDRESS, DNS1_OVERRIDE, DNS2_OVERRIDE, RED_MAC, RED_NETMASK, DEFAULT_GATEWAY, DNS1, and DNS2. Attackers can craft POST requests to interfaces.cgi with script payloads in these parameters to execute arbitrary JavaScript in the context of authenticated administrator sessions.
How severe is CVE-2019-25390?: CVE-2019-25390 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-2019-25390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-25390?: CVE-2019-25390 affects Smoothwall Smoothwall Express. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-25390?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2019-25390 have an EU (EUVD) identifier?: Yes. CVE-2019-25390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19625.
When was CVE-2019-25390 published?: CVE-2019-25390 was published on 2026-02-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:smoothwall:smoothwall_express:3.1:sp4:*:*:-:*:*:*

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CVE-2019-25395 — High (CVSS 7.2): Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple stored cross-site scripting vulnerabilities in the…
CVE-2019-25394 — High (CVSS 7.2): Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple stored cross-site scripting vulnerabilities in the…
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