CVEvulnerability
CVE-2020-15634
6.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-08-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.3 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 3.0 ([email protected])
- 6.3 MEDIUM — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:A/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-134
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 routers with firmware 1.0.4.84_10.0.58. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of string table file uploads. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-9755.
Affected configurations
• netgear r6700 firmware (< 1.0.4.98)
Related
Weakness · CWE (1)
- CWE-134 Use of Externally-Controlled Format String weakness
References
- https://kb.netgear.com/000062126/Security-Advisory-for-Pre-Authentication-Command-Injection-on-R6700v3-PSV-2020-0189 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-935/ Third Party Advisory, VDB Entry
- https://kb.netgear.com/000062126/Security-Advisory-for-Pre-Authentication-Command-Injection-on-R6700v3-PSV-2020-0189 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-935/ Third Party Advisory, VDB Entry