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7.5
D-Link DIR-513 Wireless Router Time Parameter Overwrite
CVE-2025-70243
Summary
An attacker can cause a D-Link DIR-513 wireless router to crash or execute malicious code by sending a specially crafted request with an oversized time value. This affects the router's WAN settings page. To protect your network, update the router's firmware immediately.
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/formSetWAN_Wizard534.
Original description
Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetWAN_Wizard534.
Vulnerability type
CWE-121
Stack-based Buffer Overflow
Published: 9 Mar 2026 · Updated: 13 Mar 2026 · First seen: 9 Mar 2026