Vulnerability Details : CVE-2018-14559
An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7), AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9), and AC10 devices with firmware through V15.03.06.23_CN(AC10). A buffer overflow vulnerability exists in the router's web server (httpd). When processing the list parameters for a post request, the value is directly written with sprintf to a local variable placed on the stack, which overrides the return address of the function, causing a buffer overflow.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2018-14559
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-2018-14559
| 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-2018-14559
-
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-2018-14559
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https://github.com/zsjevilhex/iot/blob/master/route/tenda/tenda-02/Tenda.md
iot/Tenda.md at master · zsjevilhex/iot · GitHubExploit;Third Party Advisory
Products affected by CVE-2018-14559
- cpe:2.3:o:tenda:ac9_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:tenda:ac7_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:tenda:ac10_firmware:*:*:*:*:*:*:*:*