Critical severity · published Apr 23, 2020
CVE-2018-21131
Certain NETGEAR devices are affected by unauthenticated firmware downgrade
9.1
CVSS
1.3%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wac505 Firmware · Netgear
before 5.0.0.17 · source: NVD
WF
Wac510 Firmware · Netgear
before 5.0.0.17 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21131
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21131
Vendor Advisory
https://kb.netgear.com/000060244/Security-Advisory-for-Unauthenticated-Firmware-Downgrade-on-Some-Wireless-Access-Points-PSV-2018-0269
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