# CVE-2023-41011 — Chinamobile Intelligent Home Gateway Firmware hg6543c4

> As of 2024-09-25, CVE-2023-41011 is a CRITICAL-severity vulnerability in Chinamobile Intelligent Home Gateway Firmware hg6543c4, CVSS v3.1 9.8, EPSS 2.5% (84.6th percentile). Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2023-41011, most recently “ClingSTUN Linux Backdoor Turns Unpatched IoT Devices Into Proxy Nodes via Public STUN Infrastructure”.

**Last updated:** 2024-09-25

## What is CVE-2023-41011?

Command Execution vulnerability in China Mobile Communications China Mobile Intelligent Home Gateway v.HG6543C4 allows a remote attacker to execute arbitrary code via the shortcut_telnet.cg component.

The record classifies CVE-2023-41011 under weakness class [CWE-77](https://intel.threadlinqs.com/cwe/CWE-77). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 1136 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 2.5% probability of exploitation in the next 30 days, higher than 84.6% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2023-09-14, last modified 2024-09-25

## Is CVE-2023-41011 being exploited?

Weaponised exploit code for CVE-2023-41011 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 34 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2023/CVE-2023-41011.md) (trickest)

## Affected products and versions

- **Chinamobile**: Intelligent Home Gateway Firmware hg6543c4, Intelligent Home Gateway

## How to fix CVE-2023-41011

No vendor patch reference has been recorded for CVE-2023-41011 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2023-41011

2 tracked threats in the Threadlinqs corpus reference CVE-2023-41011, either in the campaign’s CVE list or as an indicator on the campaign record.

- [ClingSTUN Linux Backdoor Turns Unpatched IoT Devices Into Proxy Nodes via Public STUN Infrastructure](https://intel.threadlinqs.com/threat/TL-2026-2934) — HIGH · 2026-10-05
- [Cling IoT botnet masquerades as Google STUN traffic for C2, exploiting Realtek Jungle SDK CVE-2021-35394](https://intel.threadlinqs.com/threat/TL-2026-2857) — CRITICAL · 2026-10-03

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-10. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [github.com](https://github.com/te5tb99/For-submitting/wiki/Command-Execution-Vulnerability-in-China-Mobile-Intelligent-Home-Gateway-HG6543C4)

Canonical: https://intel.threadlinqs.com/cve/CVE-2023-41011
Full detection coverage and IOCs for threats exploiting CVE-2023-41011 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp