Vulnerability Details : CVE-2018-20336
Potential exploit
An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.
Vulnerability category: Overflow
Products affected by CVE-2018-20336
- cpe:2.3:o:asus:asuswrt-merlin:3.0.0.4.384.20308:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20336
0.51%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20336
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-20336
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20336
-
https://starlabs.sg/advisories/18-20336/
STAR Labs | Advisories | ASUSWRT Stack Overflow in wanduck.cExploit;Third Party Advisory
-
https://www.asus.com/Networking/RT-AC1200G-plus/HelpDesk_BIOS/
RT-AC1200G+ BIOS & FIRMWARE | Networking | ASUS Global
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