Buffer overflow in D-Link Dir-513
CVE-2025-7945
A vulnerability was found in D-Link DIR-513 up to 20190831. It has been declared as critical. This vulnerability affects the function formSetWanDhcpplus of the file /goform/formSetWanDhcpplus. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remotely. This vulnerability only affects products that are no longer supported by the maintainer.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.057 (92.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.057 · change: +0.009
Affected products
- D-Link Dir-513 — versions 20190831
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/LYN1ng/D-linkdir513/blob/main/Dlink_DIR-513_Buffer_Overflow_Vulnerab… (related)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2025-7945?
- CVE-2025-7945 is a high-severity vulnerability in D-Link Dir-513, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-07-22.
- How severe is CVE-2025-7945?
- High severity. CVSS v3 base score is 8.8 out of 10.