CVE-2021-45502: netgear cbr750_firmware
CVSS: 9.6v3.1CriticalModified
Published 26-12-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-45502 is a critical (CVSS 9.6) vulnerability in netgear cbr750_firmware. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.6% of scored vulnerabilities.
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)EPSS score
0.58%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Certain NETGEAR devices are affected by authentication bypass. This affects CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.6Preferred score · CVE.org (CNA)
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:NSources2 sources · 8.8–9.6
- NVDNIST8.8HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
Medium 5.8Preferred score · NVD (NIST)
AV:A/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.58%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
+0.04 pp
From 0.54% on 19-09-2026
19-09-202619-10-2026
EPSS score0.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Netgear7 products
- cbr750_firmware< 4.6.3.6
- rbk752_firmware< 3.2.17.12
- rbk852_firmware< 3.2.17.12
- rbr750_firmware< 3.2.17.12
- rbr850_firmware< 3.2.17.12
1 vendor · 7 products