CVE-2020-15634

low-risk
Published 2020-08-20

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.

Do I need to act?

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0.34% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.3/10 Medium
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Netgear

References (4)

Vendor Advisory https://kb.netgear.com/000062126/Security-Advisory-for-Pre-Authentication-Comman...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-935/
Vendor Advisory https://kb.netgear.com/000062126/Security-Advisory-for-Pre-Authentication-Comman...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-935/
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal