# CVE-2026-112370 — H3C Magic NX15

> As of 2026-10-19, CVE-2026-112370 is a CRITICAL-severity vulnerability in H3C Magic NX15, CVSS v3.1 9.9, EPSS 1.6% (76.7th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-112370 as of 2026-10-19; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-10-19

## What is CVE-2026-112370?

A vulnerability was found in H3C Magic NX15 100R017. This issue affects the function sub_416874 of the file /usr/bin/usrlist. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

The record classifies CVE-2026-112370 under weakness classes [CWE-78](https://intel.threadlinqs.com/cwe/CWE-78), [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 low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 14 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.9 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 9.4 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P`)
- **EPSS (FIRST):** 1.6% probability of exploitation in the next 30 days, higher than 76.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-10-19

## Is CVE-2026-112370 being exploited?

It currently carries a trending score of 49 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **H3C**: Magic NX15

## How to fix CVE-2026-112370

No vendor patch reference has been recorded for CVE-2026-112370 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-2026-112370

No threat campaign in the Threadlinqs corpus currently references CVE-2026-112370, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-21.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/XxingGoD/H3C-NX15-R017-Vulns/tree/main/H3C/NX15R017/usrlist_cmdi_root_rce/poc)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/422416)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/422416/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-112370)
- [vuldb.com — third party advisory (983537)](https://vuldb.com/submit/983537)

**Other references**

- [github.com — related](https://github.com/XxingGoD/H3C-NX15-R017-Vulns/tree/main/H3C/NX15R017/usrlist_cmdi_root_rce)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-112370
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