CVE-2021-38525
No exploitation reported by the sources we read.
- Published2021-08-11
- Fixed in1.2.0.36 · 1.0.2.6
- WeaknessCWE-787
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D6200 before 1.1.00.36, D7000 before 1.0.1.70, EX6200v2 before 1.0.1.78, EX7000 before 1.0.1.78, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.42, R6050 before 1.0.1.18, R6080 before 1.0.0.42, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.64, R6300v2 before 1.0.4.34, R6700 before 1.0.2.6, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R6900v2 before 1.2.0.36, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7800 before 1.0.2.60, R8900 before 1.0.4.12, R9000 before 1.0.4.12, and XR500 before 2.3.2.40.
Timeline
dates in UTC- 2021-08-1100:16CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-38525?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-38525?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 1.2 | < 1.2.0.36 | 1.2.0.36 | NVD |
| 1.0 | < 1.0.2.6 | 1.0.2.6 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 1.2 | < 1.2.0.36 | 1.2.0.36 | NVD |
| 1.0 | < 1.0.2.4 | 1.0.2.4 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 1.0 | < 1.0.0.76 | 1.0.0.76 | NVD |
23 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Netgear r6700 firmware to 1.2.0.36 · 1.0.2.6
Advisories and patches
- kb.netgear.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- CNACVSS 3.16.8read 2026-10-23
- NVDCVSS 3.17.2read 2026-10-23
- NVDCVSS 2.06.5read 2026-10-23
- NVDweakness (CWE)CWE-787read 2026-10-23
- FIRST EPSSEPSS score1.0 %2026-10-22
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Published
- 2021-08-11
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2021-38525?
Is CVE-2021-38525 actively exploited?
What is the CVSS score for CVE-2021-38525?
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