Buffer overflow in D-link Dir-513
CVE-2026-4486
A vulnerability was found in D-Link DIR-513 1.10. This affects the function formEasySetPassword of the file /goform/formEasySetPassword of the component Web Service. The manipulation of the argument curTime results in stack-based buffer ov…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (28.3th percentile) — read the EPSS interpretation.
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/E:P/RL:X/RC:R.
Affected products
- D-link Dir-513 — versions 1.10
Weakness classification (CWE)
References
- VDB-352009 | D-Link DIR-513 Web Service formEasySetPassword stack-based overflow (vdb-entry, technical-description)
- VDB-352009 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #773537 | D-Link DIR-513 1.10 Buffer Overflow (third-party-advisory)
- Submit #773566 | D-Link DIR-513 1.10 Buffer Overflow (Duplicate) (third-party-advisory)
- github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formEasySetPassword/formEa… (related)
- github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formEasySetPassword/poc.py (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2026-4486?
- CVE-2026-4486 is a high-severity vulnerability in D-link Dir-513, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-03-20.
- How severe is CVE-2026-4486?
- High severity. CVSS v3 base score is 8.8 out of 10.