What is CVE-2025-57637?

CVE-2025-57637 is a high-severity vulnerability in Dlink Di-7100g, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-09-23.

How severe is CVE-2025-57637?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-57637 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Dlink Di-7100g

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.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Dlink Di-7100g
Dlink Di-7100g_firmware — versions 2020-02-21c1
N/a — versions n/a

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-57637?: CVE-2025-57637 is a high-severity vulnerability in Dlink Di-7100g, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-09-23.
How severe is CVE-2025-57637?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-57637 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.