Vulnerability Details : CVE-2021-44158
ASUS RT-AX56U Wi-Fi Router is vulnerable to stack-based buffer overflow due to improper validation for httpd parameter length. An authenticated local area network attacker can launch arbitrary code execution to control the system or disrupt service.
Vulnerability category: OverflowInput validation
Products affected by CVE-2021-44158
- cpe:2.3:o:asus:rt-ax56u_firmware:3.0.0.4.386.44266:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-44158
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-44158
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.7
|
HIGH | AV:A/AC:L/Au:S/C:C/I:C/A:C |
5.1
|
10.0
|
NIST | |
|
8.0
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.1
|
5.9
|
NIST | |
|
8.0
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.1
|
5.9
|
TWCERT/CC |
CWE ids for CVE-2021-44158
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: twcert@cert.org.tw (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
-
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-44158
-
https://www.twcert.org.tw/tw/cp-132-5431-d23be-1.html
TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報-ASUS RT-AX56U Router - Stack-based buffer overflowThird Party Advisory
Jump to