CVE-2021-45637
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, and AC2600 before 1.2.0.62.
Overview
- CVE ID
- CVE-2021-45637
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-26T01:15:19
- Last Modified Date
- 2022-01-07T18:52:51
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.1.0.76 | |
| cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.2.0.62 | |
| cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.2.0.62 | |
| cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.2.0.62 | |
| cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.2.0.62 | |
| cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.2.0.62 | |
| cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.2.0.62 | |
| cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.2.0.62 | |
| cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081 | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-45637 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45637 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:38:02 | Added to TrackCVE | |||
| 2022-12-06 05:04:09 | 2021-12-26T01:15Z | 2021-12-26T01:15:19 | CVE Published Date | updated |
| 2022-12-06 05:04:09 | 2022-01-07T18:52:51 | CVE Modified Date | updated | |
| 2022-12-06 05:04:09 | Analyzed | Vulnerability Status | updated |