The Comcast firmware on Motorola MX011ANM (firmware version MX011AN_2.9p6s1_PROD_sey) and Xfinity XR11-20 Voice Remote devices allows local users to upload arbitrary firmware images to an XR11 by leveraging root access. In other words, there is no protection mechanism involving digital signatures for the firmware.
Conclusion & alert: CVE-2017-9498 is rated Low Risk (25.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.19%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.04% | 0.19% | +0.15% |
| 2 | 2023-03-07 | 0.89% | 0.04% | -0.84% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| motorola | mx011anm_firmware | mx011an_2.9p6s1_prod_sey | cpe:2.3:o:motorola:mx011anm_firmware:mx011an_2.9p6s1_prod_sey:*:*:*:*:*:*:* |
| comcast | xfinity_xr11-20_firmware | — | cpe:2.3:o:comcast:xfinity_xr11-20_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-42.remote-OTA.txt | Third Party Advisory |