High severity · published Aug 4, 2026
CVE-2026-18812
H3C NX15 esps esps.ipv6.wan command injection
7.2
CVSS
3.6%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NX
NX15 · H3C
V100R017 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18812
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18812
github.com
https://github.com/coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/esps_ipv6_wan_set_workmode_root_rce
vuldb.com
https://vuldb.com/cve/CVE-2026-18812
vuldb.com
https://vuldb.com/submit/857809
vuldb.com
https://vuldb.com/vuln/385811
vuldb.com
https://vuldb.com/vuln/385811/cti
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