CVE-2026-18902: high-severity vulnerability in H3C NX15
H3C NX15 esps repeaterproc command injection
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.6epss 3.8%
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: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
Affected products
H3C · NX15public PoCs found — 1
cve_referencegithub.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/esps.wan.repeater.set-repeaterproc/poc/postauth_esps_wan_repeater_repeaterproc_rce.pyunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — H3C NX15
In the same product, most dangerous first.
CVE-2026-18900HIGHH3C NX15 Backend RPC esps file.exec os command injectionEPSS 3.8%CVE-2026-18814HIGHH3C NX15 esps reload.reload_config command injectionEPSS 3.6%CVE-2026-18813HIGHH3C NX15 esps delete command injectionEPSS 3.6%CVE-2026-18812HIGHH3C NX15 esps esps.ipv6.wan command injectionEPSS 3.6%CVE-2026-18811HIGHH3C NX15 esps add command injectionEPSS 3.6%CVE-2026-18901HIGHH3C NX15 Web API esps service.add routineEPSS 0.8%
References
https://github.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/esps.wan.repeater.set-repeaterproc/poc/postauth_esps_wan_repeater_repeaterproc_rce.pyhttps://github.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/esps.wan.repeater.set-repeaterproc/report/postauth_esps_wan_repeater_repeaterproc_rce_report.mdhttps://vuldb.com/cve/CVE-2026-18902https://vuldb.com/submit/857833https://vuldb.com/vuln/385936https://vuldb.com/vuln/385936/cti