PatchTheCVECVE-2020-11617: The RSS application on THOMSON THT741FTA 2.2.1 and Philips DTR3502BFTA DVB-T2 2.2.1 set-top boxes doesn't vali
CVE-2020-11617 is a medium-severity flaw (CVSS 5.9) affecting tht741fta firmware, dtr3502bfta dvb-t2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The RSS application on THOMSON THT741FTA 2.2.1 and Philips DTR3502BFTA DVB-T2 2.2.1 set-top boxes doesn't validate the SSL certificates of RSS servers, which allows a man-in-the-middle attacker to modify the data delivered to the client.
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 64%) |
| CISA exploited list | No |
| Weakness | CWE-295 |
| Published | 2020-08-31 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-11617?
tht741fta firmware: mitigate or apply the listed mitigation; dtr3502bfta dvb-t2 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-11617 being exploited?
CVE-2020-11617 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-11617 affect?
CVE-2020-11617 affects tht741fta firmware, dtr3502bfta dvb-t2 firmware. Severity is medium (CVSS 5.9). The RSS application on THOMSON THT741FTA 2.2.1 and Philips DTR3502BFTA DVB-T2 2.2.1 set-top boxes doesn't validate the SSL certificates of RSS servers, which allows a man-in-the-middle attacker to modify the data delivered to the client.
How urgent is CVE-2020-11617?
Priority 40/100. Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2020-11618 HIGH 7.8 MITIGATE MITIGATE THOMSON THT741FTA 2.2.1 and Philips DTR3502BFTA DVB-T2 2.2.1 set-top boxes have their TELNET service hardcoded