CVE-2025-7909

Name: CVE-2025-7909
Creator: NVD / NIST
Published: 2025-07-20T22:15:23.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2025-7909 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability was found in D-Link DIR-513 1.0. It has been rated as critical. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

A vulnerability was found in D-Link DIR-513 1.0. It has been rated as critical. Affected by this issue is the function sprintf of the file /goform/formLanSetupRouterSettings of the component Boa Webserver. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

1.15%

62.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-513 Firmware	All versions

References

https://github.com/buobo/bo-s-CVE/blob/main/DIR-513/formLanSetupRouterSettings.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.317024Permissions Required, VDB Entry
https://vuldb.com/?id.317024Third Party Advisory, VDB Entry
https://vuldb.com/?submit.618593Third Party Advisory, VDB Entry
https://www.dlink.com/Product
https://github.com/buobo/bo-s-CVE/blob/main/DIR-513/formLanSetupRouterSettings.mdExploit, Third Party Advisory

Timeline

Published: Jul 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-7909?

How severe is CVE-2025-7909?

CVE-2025-7909 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2025-7909?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-7909?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST