CVE-2026-3485 D-Link DIR-868L SSDP Service sub_1BF84 os command injection

Critical 9.3 Published 3 Mar 2026 Updated 3 Mar 2026

Remote attackers can execute arbitrary OS commands via the SSDP service on unsupported D-Link DIR-868L routers.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-3485?

CVE-2026-3485 is a critical command injection vulnerability in D-Link DIR-868L, published on 3 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw has been found in D-Link DIR-868L 110b03. This affects the function sub_1BF84 of the component SSDP Service. This manipulation of the argument ST causes os command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-3485?

It affects 1 product.

Products include Dlink Dir-868l Firmware.

How do I fix CVE-2026-3485?

No fix has been published for CVE-2026-3485 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-3485 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3485 exists.

Sources

Also known as GHSA-293m-75qg-jwrv.