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.

CVSS 4.0

5.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-121

Published

2026-10-20

Modified

2026-10-20

Record from

the NVD, synced 2026-10-21

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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