How severe is CVE-2020-11618?

CVE-2020-11618 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-11618 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11618?

CVE-2020-11618 primarily affects Thomsonstb Tht741fta Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11618?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-11618 published?

CVE-2020-11618 was published on 2020-08-31 and last updated on 2026-06-17.

CVE-2020-11618

CVE-2020-11618 is a high-severity vulnerability in Thomsonstb Tht741fta Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Thomsonstb Tht741fta Firmware
Published: 2020-08-31
Last modified: 2026-06-17

Description

THOMSON THT741FTA 2.2.1 and Philips DTR3502BFTA DVB-T2 2.2.1 set-top boxes have their TELNET service hardcoded to start on boot, which allows an attacker on the local network to achieve root access via the TELNET protocol.

Frequently asked questions

What is CVE-2020-11618?: THOMSON THT741FTA 2.2.1 and Philips DTR3502BFTA DVB-T2 2.2.1 set-top boxes have their TELNET service hardcoded to start on boot, which allows an attacker on the local network to achieve root access via the TELNET protocol.
How severe is CVE-2020-11618?: CVE-2020-11618 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-11618 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11618?: CVE-2020-11618 primarily affects Thomsonstb Tht741fta Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11618?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-11618 published?: CVE-2020-11618 was published on 2020-08-31 and last updated on 2026-06-17.

References

https://decoded.avast.io/vladislaviliushin/flaws-in-dvb-t2-set-top-boxes-exposed/

Affected products (2)

cpe:2.3:o:thomsonstb:tht741fta_firmware:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:philips:dtr3502bfta_dvb-t2_firmware:2.2.1:*:*:*:*:*:*:*

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