CVE-2021-34978
CVSS V2 High 8.3
CVSS V3 High 8.8
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the setupwizard.cgi page. A crafted SOAP request can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13511.
Overview
- CVE ID
- CVE-2021-34978
- Assigner
- zdi-disclosures@trendmicro.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-13T22:15:12
- Last Modified Date
- 2022-01-20T14:53:48
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
AND | ||||
cpe:2.3:o:netgear:r6260_firmware:1.1.0.78_1.0.1:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 8.3
- Severity
- HIGH
- Exploitability Score
- 6.5
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
Reference URL | Reference Tags |
---|---|
https://kb.netgear.com/000064258/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-DSL-Modem-Routers-and-Access-Points-PSV-2021-0151-and-PSV-2021-0170?article=000064258 | Vendor Advisory |
https://www.zerodayinitiative.com/advisories/ZDI-21-1240/ | Third Party Advisory VDB Entry |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-34978 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34978 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 06:36:57 | Added to TrackCVE | |||
2022-12-06 06:33:12 | 2022-01-13T22:15Z | 2022-01-13T22:15:12 | CVE Published Date | updated |
2022-12-06 06:33:12 | 2022-01-20T14:53:48 | CVE Modified Date | updated | |
2022-12-06 06:33:12 | Analyzed | Vulnerability Status | updated |