CVE-2026-112373: H3C Magic NX15 usrlist sub_416874 stack-based overflow

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-20 · updated 2026-10-20
Weakness: CWE-119

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

H3C Magic NX15: NX15V100R017

References

https://github.com/XxingGoD/H3C-NX15-R017-Vulns/tree/main/H3C/NX15R017/usrlist_stack_overflow_dos
https://vuldb.com/cve/CVE-2026-112373
https://vuldb.com/submit/983540
https://vuldb.com/vuln/422421
https://vuldb.com/vuln/422421/cti

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