CVEvulnerability
CVE-2021-34978
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-01-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 8.3 HIGH — AV:A/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-121, CWE-787
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.
Affected configurations
• netgear r6260 firmware 1.1.0.78 1.0.1
Related
References
- 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
- 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