How severe is CVE-2025-57637?

CVE-2025-57637 has a CVSS 3.x base score of 7.5, 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-2025-57637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57637?

CVE-2025-57637 affects Dlink Di-7100g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57637?

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-2025-57637 have an EU (EUVD) identifier?

Yes. CVE-2025-57637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30926.

When was CVE-2025-57637 published?

CVE-2025-57637 was published on 2025-09-23 and last updated on 2026-06-17.

CVE-2025-57637

CVE-2025-57637 is a high-severity vulnerability in Dlink Di-7100g Firmware with a CVSS 3.x base score of 7.5. 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-122.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30926
Weakness: CWE-122
Affected product: Dlink Di-7100g Firmware
Published: 2025-09-23
Last modified: 2026-06-17

Description

Buffer overflow vulnerability in D-Link DI-7100G 2020-02-21 in the sub_451754 function of the jhttpd service in the viav4 parameter allowing attackers to cause a denial of service or execute arbitrary code.

Frequently asked questions

What is CVE-2025-57637?: Buffer overflow vulnerability in D-Link DI-7100G 2020-02-21 in the sub_451754 function of the jhttpd service in the viav4 parameter allowing attackers to cause a denial of service or execute arbitrary code.
How severe is CVE-2025-57637?: CVE-2025-57637 has a CVSS 3.x base score of 7.5, 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-2025-57637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57637?: CVE-2025-57637 affects Dlink Di-7100g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57637?: 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-2025-57637 have an EU (EUVD) identifier?: Yes. CVE-2025-57637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30926.
When was CVE-2025-57637 published?: CVE-2025-57637 was published on 2025-09-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:di-7100g_firmware:2020-02-21c1:*:*:*:*:*:*:*

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