High severity · published Aug 5, 2026
CVE-2026-18902
H3C NX15 esps repeaterproc command injection
7.2
CVSS
3.8%
EPSS
No
On KEV
Description
A vulnerability was detected in H3C NX15 V100R017. Affected by this vulnerability is the function esps.wan.repeater.set/repeaterproc of the file /api/esps. Performing a manipulation of the argument my2P4key results in command injection. Remote exploitation of the attack is possible. The exploit is now public 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)3.8% · higher than 90% 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-2026-18902
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18902
github.com
https://github.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/esps.wan.repeater.set-repeaterproc/poc/postauth_esps_wan_repeater_repeaterproc_rce.py
github.com
https://github.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/esps.wan.repeater.set-repeaterproc/report/postauth_esps_wan_repeater_repeaterproc_rce_report.md
vuldb.com
https://vuldb.com/cve/CVE-2026-18902
vuldb.com
https://vuldb.com/submit/857833
vuldb.com
https://vuldb.com/vuln/385936
vuldb.com
https://vuldb.com/vuln/385936/cti
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