What is the CVSS score of CVE-2025-57637?

CVE-2025-57637 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Di 7100G Firmware are affected by CVE-2025-57637?

CVE-2025-57637 presents notable security risk, a heap-based buffer overflow vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2025-57637?

Yes, a public proof-of-concept exploit is available for CVE-2025-57637. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-57637?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Di 7100G Firmware CVE-2025-57637

HIGH

Heap-based Buffer Overflow (CWE-122)

2025-09-23 cve@mitre.org

RCE Buffer Overflow Denial Of Service Heap Overflow D-Link Di 7100G Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:13 vuln.today

PoC Detected

Sep 25, 2025 - 16:09 vuln.today

Public exploit code

CVE Published

Sep 23, 2025 - 19:15 nvd

HIGH 7.5

DescriptionCVE.org

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. 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. Affected products include: Dlink Di-7100G Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.