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Fencer Vulns
medium 4.8

CVE-2026-6059 json

A cross-site scripting vulnerability exists in Aterm.

published 2026-05-25 5 mo ago modified 2026-07-23 3 mo ago also EUVD-2026-31623

cvss
4.8
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

A cross-site scripting vulnerability exists in Aterm. Arbitrary scripts may be executed in the web browser of a user accessing the web management interface via adjacent network.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA 4.0 4.8 CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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

Affected products

  • NEC Platforms, Ltd. Aterm WX1800HP
  • NEC Platforms, Ltd. Aterm WX5400HP
  • NEC Platforms, Ltd. Aterm WX7800T8
  • NEC Platforms, Ltd. Aterm WX11000T12
  • NEC Platforms, Ltd. Aterm WX3000HP2
  • NEC Platforms, Ltd. Aterm WX4200D5
  • NEC Platforms, Ltd. Aterm GX621A1
  • NEC Platforms, Ltd. Aterm SH621A1
  • NEC Platforms, Ltd. Aterm 19000T12BE

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

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.