CVE-2021-45523 json
NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.
published 2021-12-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32289
- cvss
- 5.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.
Patch / fix
- netgear r7000_firmware 1.0.9.42
Exploit prediction
1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.7 | CVSS:3.1/AC:L/AV:A/A:H/C:N/I:N/PR:L/S:U/UI:N |
| CNA | 3.1 | 5.7 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:L/Au:S/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
Sources
- CVE List CVE-2021-45523
- NVD CVE-2021-45523
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.