CVE-2020-28373
Last modified
CVE-2020-28373 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. upnpd on certain NETGEAR devices allows remote (LAN) attackers to execute arbitrary code via a stack-based buffer overflow. This affects R6400v2 V1.0.4.102_10.0.75, R6400 V1.0.1.62_1.0.41, R7000P V1.3.2.126_10.1.66, XR300 V1.0.3.50_10.3.36, R8000 V1.0.4.62, R8300 V1.0.2.136, R8500 V1.0.2.136, R7300DST V1.0.0.74, R7850 V1.0.5.64, R7900 V1.0.4.30, RAX20 V1.0.2.64, RAX80 V1.0.3.102, and R6250 V1.0.4.44.. EPSS estimates a 1.00% chance of exploitation in the next 30 days.
Description
upnpd on certain NETGEAR devices allows remote (LAN) attackers to execute arbitrary code via a stack-based buffer overflow. This affects R6400v2 V1.0.4.102_10.0.75, R6400 V1.0.1.62_1.0.41, R7000P V1.3.2.126_10.1.66, XR300 V1.0.3.50_10.3.36, R8000 V1.0.4.62, R8300 V1.0.2.136, R8500 V1.0.2.136, R7300DST V1.0.0.74, R7850 V1.0.5.64, R7900 V1.0.4.30, RAX20 V1.0.2.64, RAX80 V1.0.3.102, and R6250 V1.0.4.44.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Netgear | R6400v2 Firmware | 1.0.4.102_10.0.75 |
| Netgear | R6400 Firmware | 1.0.1.62_1.0.41 |
| Netgear | R7000p Firmware | 1.3.2.126_10.1.66 |
| Netgear | Xr300 Firmware | 1.0.3.50_10.3.36 |
| Netgear | R8000 Firmware | 1.0.4.62 |
| Netgear | R8300 Firmware | 1.0.2.136 |
| Netgear | R8500 Firmware | 1.0.2.136 |
| Netgear | R7300dst Firmware | 1.0.0.74 |
| Netgear | R7850 Firmware | 1.0.5.64 |
| Netgear | R7900 Firmware | 1.0.4.30 |
| Netgear | Rax20 Firmware | 1.0.2.64 |
| Netgear | Rax80 Firmware | 1.0.3.102 |
| Netgear | R6250 Firmware | 1.0.4.44 |
References
- https://github.com/cpeggg/Netgear-upnpd-pocBroken Link, Third Party Advisory
- https://github.com/cpeggg/Netgear-upnpd-pocBroken Link, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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