Buffer overflow in Dlink Di-8003
CVE-2025-52222
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.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (25.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Dlink Di-8003
- Dlink Di-8003 Firmware — versions 16.07.26a1
- Dlink Di-8003g
- Dlink Di-8003g Firmware — versions 17.12.21a1
- Dlink Di-8004w
- Dlink Di-8004w Firmware — versions 16.07.26a1
- Dlink Di-8100
- Dlink Di-8100 Firmware — versions 16.07.26a1
- Dlink Di-8100g
- Dlink Di-8100g Firmware — versions 17.12.20a1
Weakness classification (CWE)
References
- www.dlink.com/en/security-bulletin/ (Vendor Advisory)
- github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-52222?
- CVE-2025-52222 is a high-severity vulnerability in Dlink Di-8003, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-04-08.
- How severe is CVE-2025-52222?
- High severity. CVSS v3 base score is 7.5 out of 10.