H3C NX15 esps esps.ipv6.wan command injection

published 2026-08-04 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-52898

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.6%; EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits: 0; none known

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.

CISA SSVC

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

Exploit prediction

3.58% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/esps_ipv6_wan_set_workmode_root_rce 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/tree/main/H3C/NX15R017/esps_ipv6_wan_set_workmode_root_rce
exploit
vuldb.com /vuln/385811
vdb-entry, technical-description
vuldb.com /vuln/385811/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-18812
third-party-advisory
vuldb.com /submit/857809
third-party-advisory

Sources

CVE List CVE-2026-18812
NVD CVE-2026-18812

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary