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9.8
D-Link DIR-513 Router: Unauthenticated Data Execution Risk
CVE-2025-70220
Summary
The D-Link DIR-513 router's auto-detection feature has a bug that allows an attacker to execute arbitrary code on the device. This could potentially allow an attacker to take control of the router or disrupt its functionality. To fix this, update the router's firmware to the latest version available from the manufacturer's website.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| dlink | dir-513_firmware | 1.10 | – |
Original title
Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formAutoDetecWAN_wizard4.
Original description
Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formAutoDetecWAN_wizard4.
nvd CVSS3.1
9.8
Vulnerability type
CWE-121
Stack-based Buffer Overflow
- https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2025-70220 Exploit Third Party Advisory
- https://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-513 Product
- https://www.dlink.com/en/security-bulletin/ Vendor Advisory
Published: 4 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026