How severe is CVE-2022-40628?

CVE-2022-40628 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-2022-40628 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40628?

CVE-2022-40628 primarily affects Tacitine En6200-prime Quad-35 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-40628?

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-2022-40628 published?

CVE-2022-40628 was published on 2022-09-23 and last updated on 2026-06-17.

CVE-2022-40628

CVE-2022-40628 is a critical-severity vulnerability in Tacitine En6200-prime Quad-35 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Tacitine En6200-prime Quad-35 Firmware
Published: 2022-09-23
Last modified: 2026-06-17

Description

This vulnerability exists in Tacitine Firewall, all versions of EN6200-PRIME QUAD-35 and EN6200-PRIME QUAD-100 between 19.1.1 to 22.20.1 (inclusive), due to improper control of code generation in the Tacitine Firewall web-based management interface. An unauthenticated remote attacker could exploit this vulnerability by sending a specially crafted http request on the targeted device. Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary commands on the targeted device.

Frequently asked questions

What is CVE-2022-40628?: This vulnerability exists in Tacitine Firewall, all versions of EN6200-PRIME QUAD-35 and EN6200-PRIME QUAD-100 between 19.1.1 to 22.20.1 (inclusive), due to improper control of code generation in the Tacitine Firewall web-based management interface. An unauthenticated remote attacker could exploit this vulnerability by sending a specially crafted http request on the targeted device. Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary commands on the targeted device.
How severe is CVE-2022-40628?: CVE-2022-40628 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-2022-40628 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40628?: CVE-2022-40628 primarily affects Tacitine En6200-prime Quad-35 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-40628?: 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-2022-40628 published?: CVE-2022-40628 was published on 2022-09-23 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:tacitine:en6200-prime_quad-35_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tacitine:en6200-prime_quad-100_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tacitine En6200-prime Quad-35 Firmware

CVE-2022-40629 — High (CVSS 7.5): This vulnerability exists in Tacitine Firewall, all versions of EN6200-PRIME QUAD-35 and EN6200-PRIME QUAD-100 between…
CVE-2022-40630 — Medium (CVSS 6.5): This vulnerability exists in Tacitine Firewall, all versions of EN6200-PRIME QUAD-35 and EN6200-PRIME QUAD-100 between…

All CVEs affecting Tacitine En6200-prime Quad-35 Firmware →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →