CVE-2025-7836

Name: CVE-2025-7836
Creator: NVD / NIST
Published: 2025-07-19T17:15:23.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 5.75%

Last modified Jun 17, 2026

CVE-2025-7836 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability has been found in D-Link DIR-816L up to 2.06B01 and classified as critical. Affected by this vulnerability is the function lxmldbc_system of the file /htdocs/cgibin of the component Environment Variable Handler. EPSS estimates a 5.75% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in D-Link DIR-816L up to 2.06B01 and classified as critical. Affected by this vulnerability is the function lxmldbc_system of the file /htdocs/cgibin of the component Environment Variable Handler. The manipulation leads to command injection. The attack can 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

2.1/10

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: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

5.75%

92.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-816l Firmware	< 2.06b01

References

https://github.com/bananashipsBBQ/CVE/blob/main/D-Link%20DIR-816L%20Remote%20Arbitrary%20Command%20Execution%20Vulnerability%20in%20ssdpcgi.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.316939Permissions Required, VDB Entry
https://vuldb.com/?id.316939Third Party Advisory, VDB Entry
https://vuldb.com/?submit.617359Third Party Advisory, VDB Entry
https://www.dlink.com/Product

Timeline

Published: Jul 19, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-7836?

How severe is CVE-2025-7836?

CVE-2025-7836 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 5.75% probability of exploitation in the next 30 days.

How do I fix CVE-2025-7836?

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-2025-7836?

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

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Source: NVD / NIST