CVE-2020-15635

8.8HIGH

Key Information:

Vendor
Netgear
Status
R6700
Vendor
CVE Published:
20 August 2020

Summary

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers with firmware 1.0.4.84_10.0.58. Authentication is not required to exploit this vulnerability. The specific flaw exists within the acsd service, which listens on TCP port 5916 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the admin user. Was ZDI-CAN-9853.

Affected Version(s)

R6700 1.0.4.84_10.0.58

References

https://www.zerodayinitiative.com/advisories/ZDI-20-936/
x_refsource_MISC
https://kb.netgear.com/000062127/Security-Advisory-for-Pr...
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CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pedro Ribeiro (@pedrib1337 | [email protected]) and Radek Domanski (@RabbitPro | [email protected])
.