No exploitation reportedFix available

CVE-2022-40630

Q: Is CVE-2022-40630 actively exploited?

Active exploitation of CVE-2022-40630 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-40630?

CVE-2022-40630 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-09-23
Fixed in22.21.2
WeaknessCWE-384

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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 session management 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 perform session fixation on the targeted device.

Timeline

dates in UTC

2022-09-2319:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-40630?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-40630?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Tacitine en6200-prime quad-100 firmwareversion to verify

Branch	Affected	Fixed in	Source
22.21	≥ 19.1.1, < 22.21.2	22.21.2	NVD

Tacitine en6200-prime quad-35 firmwareversion to verify

Branch	Affected	Fixed in	Source
22.21	≥ 19.1.1, < 22.21.2	22.21.2	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Tacitine en6200-prime quad-100 firmware to 22.21.2

Advisories and patches

tacitine.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-05-22
OpenCVESSVC decisionnone—
CNACVSS 3.16.5read 2026-10-23
NVDCVSS 3.19.8read 2026-10-23
CNAweakness (CWE)CWE-384read 2026-10-23
NVDweakness (CWE)CWE-384read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-09-23
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-40630?

Is CVE-2022-40630 actively exploited?

Active exploitation of CVE-2022-40630 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-40630?

CVE-2022-40630 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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