Vulnerability · Published Jul 19, 2025 · Assigned by VulDB

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

Medium 6.3

In plain English

A medium-severity command injection in DIR-816L from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 6.2% (higher than 94% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)6.2%top 6.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
D-Link	DIR-816L	2.06B01

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-316939 | D-Link DIR-816L Environment Variable cgibin lxmldbc_system command injection vdb-entry, technical-description
VDB-316939 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #617359 | D-Link DIR-816L <= v2.06B01 remote commend third-party-advisory
https://github.com/bananashipsBBQ/CVE/blob/main/D-Link%20DIR-816L%20Remote%20Arbitrary%20Command%20Execution%20Vulnerability%20in%20ssdpcgi.md exploit
https://www.dlink.com/ product