---
id: "CVE-2022-26258"
kind: "vulnerability"
aliases: ["CVE-2022-26258"]
title: "dlink dir-820l firmware: D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get\u2026"
severity: "critical"
cvss: 9.8
epss: 0.91632
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "D-Link DIR-820L", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "dlink dir-820l firmware", "fixed": [], "affected": "= 1.05b03", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["d-link", "exploited", "home-network", "infrastructure", "routers", "small-office"]
not_affected_if: ["not-dir-820l"]
published_at: "2022-03-28T00:15:07+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T22:29:04+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-26258", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2022-26258", "first_seen_at": "2026-10-23T19:13:45+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-26258", "first_seen_at": "2026-10-23T22:29:04+00:00"}]
---

# dlink dir-820l firmware: D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get…

D-Link DIR-820L home routers have an unspecified flaw in the Device Name parameter of /lan.asp that allows remote code execution. An attacker who can reach the router's web interface can run commands on the device, and it is listed as actively exploited.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:D-Link DIR-820L affected ? fixed ?
- vendor:dlink dir-820l firmware affected = 1.05b03 fixed ?

## How to check

Identify any D-Link DIR-820L in the environment, including end-of-life units.

## Fix

CISA says the product is end-of-life and should be disconnected if still in use. No patched version is named in the sources.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-26258
- 2026-10-23T19:13:45+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2022-26258
- 2026-10-23T22:29:04+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2022-26258

## From the sources

D-Link DIR-820L contains an unspecified vulnerability in Device Name parameter in /lan.asp which allows for remote code execution.

CISA required action: The impacted product is end-of-life and should be disconnected if still in use.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_
