CVE-2021-45528: netgear r6300v2_firmware Classic Buffer Overflow
Vulnerability summary
CVE-2021-45528 is a high (CVSS 8.1) Classic Buffer Overflow vulnerability in netgear r6300v2_firmware. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 45.9% of scored vulnerabilities.
Timeline
- 26-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900 before 1.0.3.18, R8000 before 1.0.4.46, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.3.88, RAX80 before 1.0.3.88, and WNR3500Lv2 before 1.2.0.62.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.02 pp
From 0.55% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear11 products
- r6300v2_firmware≤ 1.0.4.52
- r6400_firmware< 1.0.1.52
- r6900_firmware< 1.0.2.8
- r7000< 1.0.9.88
- r7900_firmware< 1.0.3.18
1 vendor · 11 products