CVE-2021-45661: netgear rbk20_firmware Injection
CVSS: 7.8v3.1HighModified
Published 26-12-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-45661 is a high (CVSS 7.8) Injection vulnerability in netgear rbk20_firmware. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.6% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.31%
0%100%
Low · 0.00 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 server-side injection. This affects RBK40 before 2.5.1.16, RBR40 before 2.5.1.16, RBS40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before 2.5.1.16, and RBS50Y before 2.6.1.40.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.1–7.8
- CVE.orgCNA7.1HighCVSS:3.1/AC:L/AV:L/A:N/C:H/I:H/PR:L/S:U/UI:NDiffers
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
0.00 pp
From 0.31% on 18-09-2026
18-09-202618-10-2026
EPSS score0.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear10 products
- rbk20_firmware< 2.5.1.16
- rbk40_firmware< 2.5.1.16
- rbk50_firmware< 2.5.1.16
- rbr20_firmware< 2.5.1.16
- rbr40_firmware< 2.5.1.16
1 vendor · 10 products