CVE-2026-18812

A flaw has been found in H3C NX15 V100R017. The impacted element is the function esps.ipv6.wan of the file /api/esps. Executing a manipulation of the argument workMode can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

CVSS v4.0

7.3 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

8.3 HIGHAV:N/AC:L/Au:M/C:C/I:C/A:C

EPSS

2.26% chance of exploitation in the next 30 days, 82th percentile

Published

2026-08-04

Updated

2026-08-05

Proof-of-concept exploits (1)

• coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/esps_ipv6_wan_set_workmode_root_rce

References

• CVE Record
• NVD entry

Related

• CVE-2026-15479
• CVE-2026-18686
• CVE-2026-18811
• CVE-2026-18813
• CVE-2026-18814
• CVE-2026-18900