CVE-2019-20739
NETGEAR R8500 devices before v1.0.2.128 are affected by a buffer overflow by an unauthenticated...
NETGEAR R8500 devices before v1.0.2.128 are affected by a buffer overflow by an unauthenticated attacker.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
NETGEAR R8500 devices before v1.0.2.128 are affected by a buffer overflow by an unauthenticated attacker.
- Record
CVE-2019-20739- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AC:L/AV:A/A:L/C:N/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2019-11278
NETGEAR R8500 devices before v1.0.2.128 are affected by a buffer overflow by an unauthenticated attacker.
- Record
EUVD-2019-11278- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AC:L/AV:A/A:L/C:N/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5m7v-v37g-x24f No score
NETGEAR R8500 devices before v1.0.2.128 are affected by a buffer overflow by an unauthenticated...
NETGEAR R8500 devices before v1.0.2.128 are affected by a buffer overflow by an unauthenticated attacker.
- Record
GHSA-5m7v-v37g-x24f- Updated
- 2026-11-02
NVD
NETGEAR R8500 devices before v1.0.2.128 are affected by a buffer overflow by an unauthenticated attacker.
- Record
CVE-2019-20739- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 5.8 Medium
AV:A/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-20739 is a medium vulnerability (CVSS 4.3) in Netgear R8500 Firmware, published April 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 50th percentile. No source names a fixed version.