Vulnerability Details : CVE-2018-18730
An issue was discovered on Tenda AC7 V15.03.06.44_CN, AC9 V15.03.05.19(6318)_CN, AC10 V15.03.06.23_CN, AC15 V15.03.05.19_CN, and AC18 V15.03.05.19(6318)_CN devices. There is a buffer overflow vulnerability in the router's web server -- httpd. While processing the 'startIp' and 'endIp' parameters for a post request, each value is directly used in a sprintf to a local variable placed on the stack, which overrides the return address of the function.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2018-18730
Probability of exploitation activity in the next 30 days: 0.12%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 44 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-18730
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-18730
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18730
-
https://github.com/ZIllR0/Routers/blob/master/Tenda/stack3.md
Routers/stack3.md at master · ZIllR0/Routers · GitHubExploit;Third Party Advisory
Products affected by CVE-2018-18730
- cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:*
- cpe:2.3:o:tenda:ac15_firmware:15.03.05.19_cn:*:*:*:*:*:*:*
- cpe:2.3:o:tenda:ac18_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:*
- cpe:2.3:o:tenda:ac7_firmware:15.03.06.44_cn:*:*:*:*:*:*:*
- cpe:2.3:o:tenda:ac10_firmware:15.03.06.23_cn:*:*:*:*:*:*:*