What is CVE-2020-15634?

CVE-2020-15634 is a medium-severity vulnerability in NETGEAR R6700, classified under Use of Externally-Controlled Format String. CVSS score: 6.3/10. Published 2020-08-20.

How severe is CVE-2020-15634?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in NETGEAR R6700

CVE-2020-15634

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.

EPSS: 0.014 (69.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Netgear R6700 — versions v3, 1.0.4.84_10.0.58
Netgear R6700_firmware

Weakness classification (CWE)

CWE-134 — Use of Externally-Controlled Format String

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-15634?: CVE-2020-15634 is a medium-severity vulnerability in NETGEAR R6700, classified under Use of Externally-Controlled Format String. CVSS score: 6.3/10. Published 2020-08-20.
How severe is CVE-2020-15634?: Medium severity. CVSS v3 base score is 6.3 out of 10.