CVE-2018-21135
Last modified
CVE-2018-21135 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6700 before 1.0.1.48, R7500 before 1.0.0.124, R7800 before 1.0.2.58, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5-R2000 before 1.0.0.68.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6700 before 1.0.1.48, R7500 before 1.0.0.124, R7800 before 1.0.2.58, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5-R2000 before 1.0.0.68.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Netgear | R6700 Firmware | < 1.0.1.48 |
| Netgear | R7500 Firmware | < 1.0.0.124 |
| Netgear | R7800 Firmware | < 1.0.2.58 |
| Netgear | R8900 Firmware | < 1.0.4.2 |
| Netgear | R9000 Firmware | < 1.0.4.2 |
| Netgear | Wndr3700 Firmware | < 1.0.2.102 |
| Netgear | Wndr4300 Firmware | < 1.0.2.104 |
| Netgear | Wndr4300 Firmware | < 1.0.0.56 |
| Netgear | Wndr4500 Firmware | < 1.0.0.56 |
| Netgear | Wnr2000 Firmware | < 1.0.0.68 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-21135?
How severe is CVE-2018-21135?
How do I fix CVE-2018-21135?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-2113Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2018-21130Certain NETGEAR devices are affected by command injection by…8.8
- CVE-2018-21131Certain NETGEAR devices are affected by unauthenticated firm…9.1
- CVE-2018-21132Certain NETGEAR devices are affected by authentication bypas…9.8
- CVE-2018-21133Certain NETGEAR devices are affected by a stack-based buffer…9.8
- CVE-2018-21134Certain NETGEAR devices are affected by a stack-based buffer…9.8
- CVE-2018-21136Certain NETGEAR devices are affected by disclosure of sensit…4.6
- CVE-2018-21137Certain NETGEAR devices are affected by a hardcoded password…9.8
- CVE-2018-21138Certain NETGEAR devices are affected by incorrect configurat…8.8
- CVE-2018-21139Certain NETGEAR devices are affected by disclosure of sensit…7.5
- CVE-2018-2114Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2018-21140Certain NETGEAR devices are affected by incorrect configurat…6.5
Are you affected by CVE-2018-21135?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST