CVE-2025-4340

Name: CVE-2025-4340
Creator: NVD / NIST
Published: 2025-05-06T08:15:18.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 4.15%

Last modified Jun 17, 2026

CVE-2025-4340 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A vulnerability classified as critical has been found in D-Link DIR-890L and DIR-806A1 up to 100CNb11/108B03. Affected is the function sub_175C8 of the file /htdocs/soap.cgi. EPSS estimates a 4.15% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical has been found in D-Link DIR-890L and DIR-806A1 up to 100CNb11/108B03. Affected is the function sub_175C8 of the file /htdocs/soap.cgi. The manipulation leads to command injection. It is possible to launch the attack 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

9.8/10

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

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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

4.15%

89.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-806 Firmware	<= 100cnb11
Dlink	Dir-890l Firmware	<= 1.08b03

References

https://github.com/CH13hh/tmp_store_cc/blob/main/tt/1.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.307458Permissions Required, VDB Entry
https://vuldb.com/?id.307458Third Party Advisory, VDB Entry
https://vuldb.com/?submit.556092Third Party Advisory, VDB Entry
https://www.dlink.com/Product
https://github.com/CH13hh/tmp_store_cc/blob/main/tt/1.mdExploit, Third Party Advisory

Timeline

Published: May 6, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-4340?

How severe is CVE-2025-4340?

CVE-2025-4340 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 4.15% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4340?

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-2025-4340?

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

Scan your code now

Source: NVD / NIST