Vulnerability · Published Oct 19, 2026 · Assigned by VulDB
CVE-2026-112373H3C Magic NX15 usrlist sub_416874 stack-based overflow
Medium 6.5
In plain English
A medium-severity stack buffer overflow in Magic NX15 from H3C. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 59.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| H3C | Magic NX15 | NX15V100R017 |
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R
References
- VDB-422421 | H3C Magic NX15 usrlist sub_416874 stack-based overflow vdb-entry, technical-description
- VDB-422421 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-112373 | CVE Analysis and Report third-party-advisory
- Submit #983540 | H3C Magic NX15 NX15V100R017 Denial of Service third-party-advisory
- https://github.com/XxingGoD/H3C-NX15-R017-Vulns/tree/main/H3C/NX15R017/usrlist_stack_overflow_dos exploit