CVE-2025-57637: di-7100g Heap Overflow — Exploit

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
dlink	di-7100g_firmware	All
dlink	di-7100g	All

References

Exploits

https://github.com/glkfc/IoT-Vulnerability/blob/main/D-Link/Dlink_2.md

Other References

https://www.dlink.com/en/security-bulletin/

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-57637? +

CVE-2025-57637 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-57637? +

CVE-2025-57637 affects products from dlink, specifically: di-7100g, di-7100g_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-57637? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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