How severe is CVE-2025-9998?

CVE-2025-9998 has a CVSS 4.0 base score of 6.0, rated medium severity.

Is CVE-2025-9998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-9998?

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

Does CVE-2025-9998 have an EU (EUVD) identifier?

Yes. CVE-2025-9998 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27014.

When was CVE-2025-9998 published?

CVE-2025-9998 was published on 2025-09-05 and last updated on 2026-06-17.

CVE-2025-9998

CVE-2025-9998 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.0. 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-754.

Key facts

Severity: Medium (CVSS 4.0 base score 6.0)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27014
Weakness: CWE-754
Published: 2025-09-05
Last modified: 2026-06-17

Description

The sequence of packets received by a Networking server are not correctly checked. An attacker could exploit this vulnerability to send specially crafted messages to force the application to stop.

Frequently asked questions

What is CVE-2025-9998?: The sequence of packets received by a Networking server are not correctly checked. An attacker could exploit this vulnerability to send specially crafted messages to force the application to stop.
How severe is CVE-2025-9998?: CVE-2025-9998 has a CVSS 4.0 base score of 6.0, rated medium severity.
Is CVE-2025-9998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-9998?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-9998 have an EU (EUVD) identifier?: Yes. CVE-2025-9998 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27014.
When was CVE-2025-9998 published?: CVE-2025-9998 was published on 2025-09-05 and last updated on 2026-06-17.

References

https://www.pcvue.com/security/#SB2025-4

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