CVE-2025-52222: dlink di-8003_firmware Classic Buffer Overflow
Vulnerability summary
CVE-2025-52222 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in dlink di-8003_firmware. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.2% of scored vulnerabilities.
Timeline
- 08-04-2026PublishedVulnerability first disclosed.
- 10-04-2026Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.33% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Dlink9 products
- di-8003_firmware16.07.26a1
- di-8003g_firmware17.12.21a1
- di-8004w_firmware16.07.26a1
- di-8100_firmware16.07.26a1
- di-8100g_firmware17.12.20a1
1 vendor · 9 products
References
2 links- www.dlink.com/en/security-bulletin/Vendor Advisory
- github.com/xiaotea/iot-vulnerability-collection/blob/main/README.mdThird Party Advisory