Buffer overflow in H3c Magic Nx15
CVE-2026-112373
A security vulnerability has been detected in H3C Magic NX15 NX15V100R017. This impacts the function sub_416874 of the file /usr/bin/usrlist. Such manipulation leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- H3c Magic Nx15 — versions NX15V100R017
Weakness classification (CWE)
References
- vuldb.com/vuln/422421 (technical-description, vdb-entry)
- vuldb.com/vuln/422421/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-112373 (third-party-advisory)
- vuldb.com/submit/983540 (third-party-advisory)
- github.com/XxingGoD/H3C-NX15-R017-Vulns/tree/main/H3C/NX15R017/usrlist_stack_ov… (exploit)
Frequently asked questions
- What is CVE-2026-112373?
- CVE-2026-112373 is a medium-severity vulnerability in H3c Magic Nx15, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2026-10-20.
- How severe is CVE-2026-112373?
- Medium severity. CVSS v3 base score is 6.5 out of 10.