CVE-2025-7836

Dir 816l Firmware vulnerability

CVSS

6.3

EPSS

5.8%

EPSS pct

92th

Exploited

No known

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 vendor

Dlink

Affected product

Dir 816l Firmware

CVSS vector

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

Weakness type (CWE)

CWE-74 — Injection
CWE-77 — Command Injection

Published

2025-07-19

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2025-7836

Confirm whether Dlink Dir 816l Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2025-7836.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-7836

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-7836 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2025-7836?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2025-7836.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM

CVE-2014-8270

Track It\! vulnerability