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Vulnerability record · CVE-2025-52222 · published 8 April 2026

CVE-2025-52222: Dlink di-8100 firmware classic buffer overflow vulnerability

Dlink · Di 8100 Firmware

D-Link DI-8003 v16.07.26A1, DI-8500 v16.07.26A1; DI-8003G v17.12.21A1, DI-8200G v17.12.20A1, DI-8200 v16.07.26A1, DI-8400 v16.07.26A1, DI-8004w v16.07.26A1, DI-8100 v16.07.26A1, and DI-8100G v17.12.20A1 were discovered to contain a buffer overflow via the rd_en, rd_auth, rd_acct, http_hadmin, http_hadminpwd, rd_key, and rd_ip parameters in the radius_asp function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

7.5 CVSS 3.1 High EPSS 0.33% · top 76.8% CWE-120 · Classic buffer overflow
7.5CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
2References
25 Jul 2026Last modified by NVD

Description

D-Link DI-8003 v16.07.26A1, DI-8500 v16.07.26A1; DI-8003G v17.12.21A1, DI-8200G v17.12.20A1, DI-8200 v16.07.26A1, DI-8400 v16.07.26A1, DI-8004w v16.07.26A1, DI-8100 v16.07.26A1, and DI-8100G v17.12.20A1 were discovered to contain a buffer overflow via the rd_en, rd_auth, rd_acct, http_hadmin, http_hadminpwd, rd_key, and rd_ip parameters in the radius_asp function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

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

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md Third Party Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-44083Dlink di-8100 firmware improper authentication vulnerabilityAn issue in D-Link DI-8100 16.07.26A1 allows a remote attacker to bypass administrator login authenticationEPSS 0.82%9.8CVE-2025-44084Dlink di-8100g firmware command injection vulnerabilityD-link DI-8100 16.07.26A1 is vulnerable to Command Injection. An attacker can exploit this vulnerability by crafting specific HTTP requests, triggeri…EPSS 20%9.8CVE-2024-52759Dlink di-8003 firmware classic buffer overflow vulnerabilityD-LINK DI-8003 v16.07.26A1 was discovered to contain a buffer overflow via the ip parameter in the ip_position_asp function.EPSS 5.8%9.8CVE-2024-44401Dlink di-8100g firmware command injection vulnerabilityD-Link DI-8100G 17.12.20A1 is vulnerable to Command Injection via sub47A60C function in the upgrade_filter.asp fileEPSS 2.9%9.8CVE-2024-44402Dlink di-8100g firmware command injection vulnerabilityD-Link DI-8100G 17.12.20A1 is vulnerable to Command Injection via msp_info.htm.EPSS 3.1%8.9CVE-2026-7854Dlink di-8100 firmware memory buffer overflow vulnerabilityA security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function url_rule_asp of the file /url…EPSS 1.9%8.9CVE-2026-7853Dlink di-8100 firmware memory buffer overflow vulnerabilityA weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file /auto_reboot.asp of the component HTTP Hand…EPSS 1.9%8.9CVE-2026-7248Dlink di-8100 firmware memory buffer overflow vulnerabilityA vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. Th…EPSS 3.8%

Source: NIST National Vulnerability Database (record CVE-2025-52222), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.