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9.8
D-Link DIR-513 Router Can Be Forced to Crash
CVE-2025-70239
Summary
A bug in the D-Link DIR-513 router's settings page can be exploited by an attacker to crash the device, potentially allowing unauthorized access. This affects users who have not updated their router's firmware. To protect your network, update your router to the latest version.
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_Wizard55.
Original description
Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetWAN_Wizard55.
nvd CVSS3.1
9.8
Vulnerability type
CWE-787
Out-of-bounds Write
CWE-121
Stack-based Buffer Overflow
- https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2025-70239 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: 3 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026