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Fencer Vulns
high 8.0

CVE-2018-21101 json

NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.

published 2020-04-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13619

cvss
8.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.

Patch / fix

  • netgear r7800_firmware 1.0.2.60

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 8.0 CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:L/S:U/UI:N
NVD 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 8.0 CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.2 AV:A/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.