Vulnerability in Netgear Br200

CVE-2021-27257

This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability…

Vulnerability class: Improper Certificate Validation

EPSS: 0.003 (22.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-27257?
CVE-2021-27257 is a medium-severity vulnerability in Netgear Br200, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2021-03-05.
How severe is CVE-2021-27257?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-27257 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.