CVE-2021-45524: netgear r8000_firmware Classic Buffer Overflow
CVSS: 9.1v3.1CriticalModified
Published 26-12-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-45524 is a critical (CVSS 9.1) Classic Buffer Overflow vulnerability in netgear r8000_firmware. EPSS estimates a 1.26% chance of exploitation in the next 30 days, higher than 69.4% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
1.26%
0%100%
Low · +0.09 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
NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HSources2 sources · 7.6–9.1
- CVE.orgCNA7.6HighCVSS:3.1/AC:H/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:NDiffers
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
1.26%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
+0.09 pp
From 1.18% on 21-09-2026
21-09-202621-10-2026
EPSS score1.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear1 product
- r8000_firmware< 1.0.4.62
1 vendor · 1 product