What’s Vulnerable › Vulnerabilities

CVE-2025-7836: D-Link DIR-816L Environment Variable cgibin lxmldbc_system command injection

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-07-19 · updated 2026-06-17
• Weakness: CWE-74

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.

Affected products

• D-Link DIR-816L: before 2.06b01 — fixed in 2.06b01

How to fix

Upgrade to a fixed version: D-Link DIR-816L 2.06b01. Check the vendor advisory for mitigations.

References

• https://github.com/bananashipsBBQ/CVE/blob/main/D-Link%20DIR-816L%20Remote%20Arbitrary%20Command%20Execution%20Vulnerability%20in%20ssdpcgi.md
• https://vuldb.com/?ctiid.316939
• https://vuldb.com/?id.316939
• https://vuldb.com/?submit.617359
• https://www.dlink.com/

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