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Fencer Intel
high 7.4

CVE-2021-45521 json

Certain NETGEAR devices are affected by a hardcoded password.

published 4y ago modified 4mo ago also EUVD-2021-32287

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10, RBR350 before 4.4.0.10, and RBS350 before 4.4.0.10.

Patch / fix

  • netgear rbk352_firmware 4.4.0.10
  • netgear rbr350_firmware 4.4.0.10
  • netgear rbs350_firmware 4.4.0.10

Is CVE-2021-45521 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.

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Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AC:L/AV:A/A:N/C:H/I:N/PR:N/S:C/UI:N
CNA 3.1 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
NVD 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

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.