Stack-Based Buffer Overflow in ASUSWRT Router Firmware
CVE-2018-20336

7.5HIGH

Key Information:

Vendor

Asus
Status
Asuswrt-merlin
Vendor
CVE Published:
17 September 2019

What is CVE-2018-20336?

A stack-based buffer overflow vulnerability exists in the parse_req_queries function within the wanduck.c file of ASUSWRT version 3.0.0.4.384.20308. The flaw is triggered by processing a long string over UDP, potentially leading to an information leak that could be exploited by attackers to gain unauthorized access to sensitive information.

References

https://starlabs.sg/advisories/18-20336/
x_refsource_MISC
https://www.asus.com/Networking/RT-AC1200G-plus/HelpDesk_...
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.