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9.8
D-Link DIR-513 Router Has a Critical Buffer Overflow Flaw
CVE-2025-46108
Summary
A critical security bug in the D-Link DIR-513 router's formTcpipSetup function can allow hackers to execute malicious code. This could allow unauthorized access to your network and potentially give hackers control over your router. Update your router's firmware to fix 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
D-link Dir-513 A1FW110 is vulnerable to Buffer Overflow in the function formTcpipSetup.
Original description
D-link Dir-513 A1FW110 is vulnerable to Buffer Overflow in the function formTcpipSetup.
nvd CVSS3.1
9.8
Vulnerability type
CWE-120
Classic Buffer Overflow
- https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2025-46108 Exploit Third Party Advisory
- https://github.com/buobo/bo-s-CVE/blob/main/DIR-513/formTcpipSetup.md Broken Link
- https://www.dlink.com/en/security-bulletin/ Vendor Advisory
Published: 4 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026