H3C NX15 esps repeaterproc command injection

published 2026-08-05 3mo ago modified 2026-10-23 17d ago also EUVD-2026-53045

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.8%; EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 3mo ago (2026-08-05)

Exploit prediction

3.82% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

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 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.6	CVSS: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
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CNA	3.0	7.2	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CNA	2.0	8.3	AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
CNA	4.0	7.3	CVSS: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
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	8.3	AV:N/AC:L/Au:M/C:C/I:C/A:C

Affected products

H3C NX15

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/esps.wan.repeater.set-repeaterproc/poc/postauth_esps_wan_r
exploit
vuldb.com /vuln/385936
vdb-entry, technical-description
vuldb.com /vuln/385936/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-18902
third-party-advisory
vuldb.com /submit/857833
third-party-advisory
github.com /coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/esps.wan.repeater.set-repeaterproc/report/postauth_esps_wa
related

Sources

CVE List CVE-2026-18902
NVD CVE-2026-18902

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