ID
VAR-202004-1675
CVE
CVE-2018-21173
TITLE
plural NETGEAR Out-of-bounds write vulnerabilities in devices
Trust: 0.8
DESCRIPTION
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R7500 before 1.0.0.122, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62. plural NETGEAR The device is vulnerable to out-of-bounds writes.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. NETGEAR R9000 is a wireless router of NETGEAR. The vulnerability stems from the fact that the network system or product performs an operation on the memory, and the data boundary is not correctly verified, resulting in an incorrect read and write operation to other associated memory locations. The attacker The vulnerability can be exploited to cause buffer overflow or heap overflow. This affects R7500 prior to 1.0.0.122, R7800 prior to 1.0.2.40, R9000 prior to 1.0.2.52, WNDR3700v4 prior to 1.0.2.92, WNDR4300 prior to 1.0.2.94, WNDR4300v2 prior to 1.0.0.50, WNDR4500v3 prior to 1.0.0.50, and WNR2000v5 prior to 1.0.0.62
Trust: 2.25
IOT TAXONOMY
| category: | ['Network device'] | sub_category: | - | Trust: 0.6 |
AFFECTED PRODUCTS
| vendor: | netgear | model: | r7800 | scope: | lt | version: | 1.0.2.40 | Trust: 1.6 |
| vendor: | netgear | model: | r9000 | scope: | lt | version: | 1.0.2.52 | Trust: 1.6 |
| vendor: | netgear | model: | r7500 | scope: | lt | version: | 1.0.0.122 | Trust: 1.6 |
| vendor: | netgear | model: | wndr4300 | scope: | lt | version: | 1.0.2.94 | Trust: 1.6 |
| vendor: | netgear | model: | wndr4500 | scope: | lt | version: | 1.0.0.50 | Trust: 1.0 |
| vendor: | netgear | model: | wnr2000 | scope: | lt | version: | 1.0.0.62 | Trust: 1.0 |
| vendor: | netgear | model: | wndr3700 | scope: | lt | version: | 1.0.2.92 | Trust: 1.0 |
| vendor: | netgear | model: | wndr4300 | scope: | lt | version: | 1.0.0.50 | Trust: 1.0 |
| vendor: | netgear | model: | r7500 | scope: | eq | version: | 1.0.0.122 | Trust: 0.8 |
| vendor: | netgear | model: | r7800 | scope: | eq | version: | 1.0.2.40 | Trust: 0.8 |
| vendor: | netgear | model: | r9000 | scope: | eq | version: | 1.0.2.52 | Trust: 0.8 |
| vendor: | netgear | model: | wndr3700 | scope: | eq | version: | 1.0.2.92 | Trust: 0.8 |
| vendor: | netgear | model: | wndr4300 | scope: | eq | version: | 1.0.0.50 | Trust: 0.8 |
| vendor: | netgear | model: | wndr4300 | scope: | eq | version: | 1.0.2.94 | Trust: 0.8 |
| vendor: | netgear | model: | wndr4500 | scope: | eq | version: | 1.0.0.50 | Trust: 0.8 |
| vendor: | netgear | model: | wnr2000 | scope: | eq | version: | 1.0.0.62 | Trust: 0.8 |
| vendor: | netgear | model: | wnr2000v5 | scope: | lt | version: | 1.0.0.62 | Trust: 0.6 |
| vendor: | netgear | model: | wndr3700v4 | scope: | lt | version: | 1.0.2.92 | Trust: 0.6 |
| vendor: | netgear | model: | wndr4300v2 | scope: | lt | version: | 1.0.0.50 | Trust: 0.6 |
| vendor: | netgear | model: | wndr4500v3 | scope: | lt | version: | 1.0.0.50 | Trust: 0.6 |
CVSS
SEVERITY | CVSSV2 | CVSSV3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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PROBLEMTYPE DATA
| problemtype: | CWE-787 | Trust: 1.8 |
THREAT TYPE
remote or local
Trust: 0.6
TYPE
buffer error
Trust: 0.6
CONFIGURATIONS
PATCH
| title: | Security Advisory for Post-Authentication Stack Overflow on Some Routers, PSV-2017-2627 | url: | https://kb.netgear.com/000055185/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2627 | Trust: 0.8 |
| title: | Patch for Multiple NETGEAR product buffer overflow vulnerabilities (CNVD-2020-28112) | url: | https://www.cnvd.org.cn/patchInfo/show/217417 | Trust: 0.6 |
EXTERNAL IDS
| db: | NVD | id: | CVE-2018-21173 | Trust: 3.1 |
| db: | JVNDB | id: | JVNDB-2018-016382 | Trust: 0.8 |
| db: | CNVD | id: | CNVD-2020-28112 | Trust: 0.6 |
| db: | CNNVD | id: | CNNVD-202004-2216 | Trust: 0.6 |
| db: | VULMON | id: | CVE-2018-21173 | Trust: 0.1 |
REFERENCES
| url: | https://nvd.nist.gov/vuln/detail/cve-2018-21173 | Trust: 2.0 |
| url: | https://kb.netgear.com/000055185/security-advisory-for-post-authentication-stack-overflow-on-some-routers-psv-2017-2627 | Trust: 1.7 |
| url: | https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-21173 | Trust: 0.8 |
| url: | https://cwe.mitre.org/data/definitions/787.html | Trust: 0.1 |
| url: | https://nvd.nist.gov | Trust: 0.1 |
SOURCES
| db: | CNVD | id: | CNVD-2020-28112 |
| db: | VULMON | id: | CVE-2018-21173 |
| db: | JVNDB | id: | JVNDB-2018-016382 |
| db: | CNNVD | id: | CNNVD-202004-2216 |
| db: | NVD | id: | CVE-2018-21173 |
LAST UPDATE DATE
2024-11-23T21:51:30.225000+00:00
SOURCES UPDATE DATE
| db: | CNVD | id: | CNVD-2020-28112 | date: | 2020-05-14T00:00:00 |
| db: | VULMON | id: | CVE-2018-21173 | date: | 2020-05-01T00:00:00 |
| db: | JVNDB | id: | JVNDB-2018-016382 | date: | 2020-06-01T00:00:00 |
| db: | CNNVD | id: | CNNVD-202004-2216 | date: | 2020-05-06T00:00:00 |
| db: | NVD | id: | CVE-2018-21173 | date: | 2024-11-21T04:03:05.063 |
SOURCES RELEASE DATE
| db: | CNVD | id: | CNVD-2020-28112 | date: | 2020-05-14T00:00:00 |
| db: | VULMON | id: | CVE-2018-21173 | date: | 2020-04-27T00:00:00 |
| db: | JVNDB | id: | JVNDB-2018-016382 | date: | 2020-06-01T00:00:00 |
| db: | CNNVD | id: | CNNVD-202004-2216 | date: | 2020-04-27T00:00:00 |
| db: | NVD | id: | CVE-2018-21173 | date: | 2020-04-27T18:15:13.027 |