Buffer overflow in Dlink Di-8300
CVE-2025-45059
D-Link DI-8300 v16.07.26A1 was discovered to contain a buffer overflow via the fn parameter in the tgfile_htm function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
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: 0.004 (31.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Dlink Di-8300
- Dlink Di-8300 Firmware — versions 16.07.26a1
Weakness classification (CWE)
References
- www.dlink.com/en/security-bulletin/ (Vendor Advisory)
- www.dlink.com.cn/techsupport/ProductInfo.aspx (Product)
- github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-45059?
- CVE-2025-45059 is a high-severity vulnerability in Dlink Di-8300, 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-2025-45059?
- High severity. CVSS v3 base score is 7.5 out of 10.