CVE-2021-45523: netgear r7000 Classic Buffer Overflow
CVSS: 6.8v2.0MediumModified
Published 26-12-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-45523 is a medium (CVSS 6.8) Classic Buffer Overflow vulnerability in netgear r7000. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64.1% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v2.0 (NVD)EPSS score
1.06%
0%100%
Low · +0.03 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 R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.7Preferred score · CVE.org (CNA)
CVSS:3.1/AC:L/AV:A/A:H/C:N/I:N/PR:L/S:U/UI:NSources2 sources · 5.7–6.5
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
1.06%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
+0.03 pp
From 1.02% on 21-09-2026
21-09-202621-10-2026
EPSS score1.06%
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
- r7000< 1.0.9.42
1 vendor · 1 product