How severe is CVE-2025-7737?

CVE-2025-7737 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-7737 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-7737?

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

Does CVE-2025-7737 have an EU (EUVD) identifier?

Yes. CVE-2025-7737 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210286.

When was CVE-2025-7737 published?

CVE-2025-7737 was published on 2026-06-19 and last updated on 2026-06-22.

CVE-2025-7737

CVE-2025-7737 is a high-severity vulnerability with a CVSS 3.x base score of 8.6. 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-770.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210286
Weakness: CWE-770
Published: 2026-06-19
Last modified: 2026-06-22

Description

DoS Vulnerability in 10G iSCSI Interface of Hitachi Virtual Storage Platform. This issue affects Hitachi Virtual Storage Platform E990, E1090, E1090H: before DKCMAIN Ver.93-07-21-80/00-05, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-07-01-80/00-07, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-06-82-80/00-06, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-06-63-80/00-04, CHB(iSCSI) Ver.88-01-02-04; Hitachi Virtual Storage Platform E390, E590, E790, E390H, E590H, E790H: before DKCMAIN Ver.93-07-21-x0/00-05, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-07-01-x0/00-07, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-06-82-x0/00-06, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-06-63-x0/00-04, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-07-24-x0/00-02, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-07-02-x0/00-02, CHB(iSCSI) Ver.88-01-02-04; Hitachi Virtual Storage Platform G130, G150, G350, G370, G700, G900, F350, F370, F700, F900: before DKCMAIN Ver.88-08-10-x0/00-05, CHB(iSCSI) Ver.88-01-02-04; Hitachi Virtual Storage Platform G100, G200, G400, G600, G800, F400, F600, F800: before DKCMAIN Ver.83-06-20-x0/00-05, CHB(iSCSI) Ver.83-01-01-29; Hitachi Virtual Storage Platform VX8, 5100, 5500, 5100H, 5500H, 5200, 5600, 5200H, 5600H: before DKCMAIN Ver.90-09-01-00/01-01, CHB(iSCSI) Ver.90-01-01-07, before DKCMAIN Ver.90-08-83-00/01-01, CHB(iSCSI) Ver.90-01-01-07, before DKCMAIN Ver.90-08-63-00/01-01, CHB(iSCSI) Ver.90-01-01-07; Hitachi Virtual Storage Platform VX7, G1000, G1500, F1500: before DKCMAIN Ver.80-06-93-00/00-04, ISFC Ver.80-01-17.

Frequently asked questions

What is CVE-2025-7737?: DoS Vulnerability in 10G iSCSI Interface of Hitachi Virtual Storage Platform. This issue affects Hitachi Virtual Storage Platform E990, E1090, E1090H: before DKCMAIN Ver.93-07-21-80/00-05, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-07-01-80/00-07, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-06-82-80/00-06, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-06-63-80/00-04, CHB(iSCSI) Ver.88-01-02-04; Hitachi Virtual Storage Platform E390, E590, E790, E390H, E590H, E790H: before DKCMAIN Ver.93-07-21-x0/00-05, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-07-01-x0/00-07, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-06-82-x0/00-06, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-06-63-x0/00-04, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-07-24-x0/00-02, CHB(iSCSI) Ver.88-01-02-04, before DKCMAIN Ver.93-07-02-x0/00-02, CHB(iSCSI) Ver.88-01-02-04; Hitachi Virtual Storage Platform G130, G150, G350, G370, G700, G900, F350, F370, F700, F900: before DKCMAIN Ver.88-08-10-x0/00-05, CHB(iSCSI) Ver.88-01-02-04; Hitachi Virtual Storage Platform G100, G200, G400, G600, G800, F400, F600, F800: before DKCMAIN Ver.83-06-20-x0/00-05, CHB(iSCSI) Ver.83-01-01-29; Hitachi Virtual Storage Platform VX8, 5100, 5500, 5100H, 5500H, 5200, 5600, 5200H, 5600H: before DKCMAIN Ver.90-09-01-00/01-01, CHB(iSCSI) Ver.90-01-01-07, before DKCMAIN Ver.90-08-83-00/01-01, CHB(iSCSI) Ver.90-01-01-07, before DKCMAIN Ver.90-08-63-00/01-01, CHB(iSCSI) Ver.90-01-01-07; Hitachi Virtual Storage Platform VX7, G1000, G1500, F1500: before DKCMAIN Ver.80-06-93-00/00-04, ISFC Ver.80-01-17.
How severe is CVE-2025-7737?: CVE-2025-7737 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-7737 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-7737?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-7737 have an EU (EUVD) identifier?: Yes. CVE-2025-7737 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210286.
When was CVE-2025-7737 published?: CVE-2025-7737 was published on 2026-06-19 and last updated on 2026-06-22.

References

https://www.hitachi.com/products/it/storage-solutions/sec_info/2026/2026_312.html

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