How severe is CVE-2022-40984?

CVE-2022-40984 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-2022-40984 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40984?

CVE-2022-40984 primarily affects Yokogawa Wtviewere 761941. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-40984?

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-2022-40984 published?

CVE-2022-40984 was published on 2022-10-24 and last updated on 2026-06-17.

CVE-2022-40984

CVE-2022-40984 is a critical-severity vulnerability in Yokogawa Wtviewere 761941 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Yokogawa Wtviewere 761941
Published: 2022-10-24
Last modified: 2026-06-17

Description

Stack-based buffer overflow in WTViewerE series WTViewerE 761941 from 1.31 to 1.61 and WTViewerEfree from 1.01 to 1.52 allows an attacker to cause the product to crash by processing a long file name.

Frequently asked questions

What is CVE-2022-40984?: Stack-based buffer overflow in WTViewerE series WTViewerE 761941 from 1.31 to 1.61 and WTViewerEfree from 1.01 to 1.52 allows an attacker to cause the product to crash by processing a long file name.
How severe is CVE-2022-40984?: CVE-2022-40984 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-2022-40984 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40984?: CVE-2022-40984 primarily affects Yokogawa Wtviewere 761941. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-40984?: 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-2022-40984 published?: CVE-2022-40984 was published on 2022-10-24 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:yokogawa:wtviewere_761941:*:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:wtviewerefree:*:*:*:*:*:*:*:*

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