Vulnerability Details : CVE-2018-12257
An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in /etc/resolv.conf to the attacker's server, and serving the expected HTTPS response containing new firmware for the device to download.
Exploit prediction scoring system (EPSS) score for CVE-2018-12257
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 7 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-12257
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:N |
3.9
|
2.9
|
NIST |
|
4.4
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
0.8
|
3.6
|
NIST |
CWE ids for CVE-2018-12257
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-12257
-
https://rchase.com/downloads/momentum-iot-penetration-test-report.pdf
Exploit;Third Party Advisory
Products affected by CVE-2018-12257
- cpe:2.3:o:apollotechnologiesinc:momentum_axel_720p_firmware:5.1.8:*:*:*:*:*:*:*