Skip to content
Fencer Intel
medium 6.8

CVE-2018-21104 json

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

published 6y ago modified 4mo ago also EUVD-2018-13622

cvss
6.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
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

Is CVE-2018-21104 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.8 CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N
NVD 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 6.8 CVSS:3.0/AV:A/AC:L/PR:H/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 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.