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9.8
D-Link DIR-513 Router Allows Attackers to Crash the Device
CVE-2025-70234
Summary
A security issue with the D-Link DIR-513 router allows an attacker to potentially crash the device by sending a malicious request. This could lead to a denial of service (DNS or internet access loss) and potentially allow an attacker to execute arbitrary code. We recommend upgrading to a newer version of the firmware to prevent this issue.
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/formSetQoS.
Original description
Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetQoS.
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-2025-70234 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