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7.5
D-Link DIR-513 Router Allows Unauthorized Configuration Changes
CVE-2025-70242
Summary
A security issue in the D-Link DIR-513 router allows an attacker to potentially change the router's configuration, which could lead to a loss of network control. This issue is caused by a bug in the way the router processes certain web requests. To fix this issue, update your router to the latest available firmware or contact your provider for assistance.
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 webPage parameter to goform/formSetWanPPTP.
Original description
Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the webPage parameter to goform/formSetWanPPTP.
Vulnerability type
CWE-121
Stack-based Buffer Overflow
Published: 10 Mar 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026