Vulnerability Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6100 before 1.0.1.20, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | R6100 Firmware | < 1.0.1.20 |
| Netgear | R6100 | - |
| Netgear | R9000 Firmware | < 1.0.2.52 |
| Netgear | R9000 | - |
| Netgear | Wndr3700 Firmware | < 1.0.2.96 |
| Netgear | Wndr3700 | v4 |
| Netgear | Wndr4300 Firmware | < 1.0.2.98 |
| Netgear | Wndr4300 | - |
| Netgear | Wndr4500 Firmware | < 1.0.0.50 |
| Netgear | Wndr4500 | v3 |
Related Weaknesses (CWE)
References
- https://kb.netgear.com/000055146/Security-Advisory-for-Pre-Authentication-Stack-Vendor Advisory
- https://kb.netgear.com/000055146/Security-Advisory-for-Pre-Authentication-Stack-Vendor Advisory
FAQ
What is CVE-2018-21203?
CVE-2018-21203 is a vulnerability with a CVSS score of 8.8 (HIGH). Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6100 before 1.0.1.20, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 be...
How severe is CVE-2018-21203?
CVE-2018-21203 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-21203?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear R6100 Firmware, Netgear R6100, Netgear R9000 Firmware, Netgear R9000, Netgear Wndr3700 Firmware.