How severe is CVE-2019-12254?

CVE-2019-12254 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-12254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12254?

CVE-2019-12254 primarily affects Gok Smartbox 4 Lan Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-12254?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-12254 published?

CVE-2019-12254 was published on 2022-05-06 and last updated on 2026-06-17.

CVE-2019-12254

CVE-2019-12254 is a critical-severity vulnerability in Gok Smartbox 4 Lan Firmware with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Gok Smartbox 4 Lan Firmware
Published: 2022-05-06
Last modified: 2026-06-17

Description

In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a unauthenticated user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.

Frequently asked questions

What is CVE-2019-12254?: In multiple Tecson Tankspion and GOKs SmartBox 4 products the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a unauthenticated user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.
How severe is CVE-2019-12254?: CVE-2019-12254 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-12254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12254?: CVE-2019-12254 primarily affects Gok Smartbox 4 Lan Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-12254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-12254 published?: CVE-2019-12254 was published on 2022-05-06 and last updated on 2026-06-17.

References

https://cert.vde.com/en/advisories/VDE-2019-012/

Affected products (5)

cpe:2.3:o:gok:smartbox_4_lan_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:gok:smartbox_4_lan_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tecson:lx-q-net_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tecson:lx-net_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tecson:e-litro_net_firmware:*:*:*:*:*:*:*:*

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