Cross-site scripting vulnerability in multiple FXC Inc.

published 2018-11-15 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1489

cvss: 4.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

Cross-site scripting vulnerability in multiple FXC Inc. network devices (Managed Ethernet switch FXC5210/5218/5224 firmware prior to version Ver1.00.22, Managed Ethernet switch FXC5426F firmware prior to version Ver1.00.06, Managed Ethernet switch FXC5428 firmware prior to version Ver1.00.07, Power over Ethernet (PoE) switch FXC5210PE/5218PE/5224PE firmware prior to version Ver1.00.14, and Wireless LAN router AE1021/AE1021PE firmware all versions) allows attacker with administrator rights to inject arbitrary web script or HTML via the administrative page.

Patch / fix

fixed in 8

fxc fxc5210_firmware 1.00.22
fxc fxc5218_firmware 1.00.22
fxc fxc5224_firmware 1.00.22
fxc fxc5426f_firmware 1.00.06
fxc fxc5428_firmware 1.00.07
fxc fxc5210pe_firmware 1.00.14
fxc fxc5218pe_firmware 1.00.14
fxc fxc5224pe_firmware 1.00.14

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	4.8	CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

FXC Inc. multiple FXC Inc. network devices (Managed Ethernet switch FXC5210/5218/5224 firmware prior to version Ver1.00.22, Managed Ethernet switch FXC5426F firmware prior to version Ver1.00.06, Managed Ethernet switch FXC5428 firmware prior to version Ver1.00.07, Power over Ethernet (PoE) switch FXC5210PE/5218PE/5224PE firmware prior to version Ver1.00.14, and Wireless LAN router AE1021/AE1021PE firmware all versions)

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

fxc.jp /news/20171228.html
mitigation, vendor-advisory
jvn.jp /en/jp/JVN68528150/index.html
third-party-advisory

Sources

CVE List CVE-2018-0679
NVD CVE-2018-0679

Fencer Intel 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