A vulnerability in the TCL Android Smart TV series V8-R851T02-LF1 V295 and below and…
Priority LOW 35CWE-732Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability in the TCL Android Smart TV series V8-R851T02-LF1 V295 and below and V8-T658T01-LF1 V373 and below by TCL Technology Group Corporation allows a local unprivileged attacker, such as a malicious App, to read & write to the /data/vendor/tcl, /data/vendor/upgrade, and /var/TerminalManager directories within the TV file system. An attacker, such as a malicious APK or local unprivileged user could perform fake system upgrades by writing to the /data/vendor/upgrage folder.
Why it matters now
EPSS 0.00507 43rd percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:tcl:32s330_firmware:*:*:*:*:*:*:*:* | before v8-r851t10-lf1v091 | Vulnerable | TCL |
| cpe:2.3:h:tcl:32s330:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TCL |
| cpe:2.3:o:tcl:40s330_firmware:*:*:*:*:*:*:*:* | before v8-r851t10-lf1v091 | Vulnerable | TCL |
| cpe:2.3:h:tcl:40s330:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TCL |
| cpe:2.3:o:tcl:43s434_firmware:*:*:*:*:*:*:*:* | before v8-r851t02-lf1v440 | Vulnerable | TCL |
| cpe:2.3:h:tcl:43s434:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TCL |
| cpe:2.3:o:tcl:50s434_firmware:*:*:*:*:*:*:*:* | before v8-r851t02-lf1v440 | Vulnerable | TCL |
| cpe:2.3:h:tcl:50s434:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TCL |
| cpe:2.3:o:tcl:55s434_firmware:*:*:*:*:*:*:*:* | before v8-r851t02-lf1v440 | Vulnerable | TCL |
| cpe:2.3:h:tcl:55s434:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TCL |
- cpe:2.3:o:tcl:32s330_firmware:*:*:*:*:*:*:*:* Versions before v8-r851t10-lf1v091 Vulnerable ·TCL
- cpe:2.3:h:tcl:32s330:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TCL
- cpe:2.3:o:tcl:40s330_firmware:*:*:*:*:*:*:*:* Versions before v8-r851t10-lf1v091 Vulnerable ·TCL
- cpe:2.3:h:tcl:40s330:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TCL
- cpe:2.3:o:tcl:43s434_firmware:*:*:*:*:*:*:*:* Versions before v8-r851t02-lf1v440 Vulnerable ·TCL
- cpe:2.3:h:tcl:43s434:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TCL
- cpe:2.3:o:tcl:50s434_firmware:*:*:*:*:*:*:*:* Versions before v8-r851t02-lf1v440 Vulnerable ·TCL
- cpe:2.3:h:tcl:50s434:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TCL
- cpe:2.3:o:tcl:55s434_firmware:*:*:*:*:*:*:*:* Versions before v8-r851t02-lf1v440 Vulnerable ·TCL
- cpe:2.3:h:tcl:55s434:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TCL
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:tcl:65s434_firmware:*:*:*:*:*:*:*:* | before v8-r851t02-lf1v440 | Vulnerable | TCL |
| cpe:2.3:h:tcl:65s434:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TCL |
| cpe:2.3:o:tcl:75s434_firmware:*:*:*:*:*:*:*:* | before v8-r851t02-lf1v440 | Vulnerable | TCL |
| cpe:2.3:h:tcl:75s434:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TCL |
- cpe:2.3:o:tcl:65s434_firmware:*:*:*:*:*:*:*:* Versions before v8-r851t02-lf1v440 Vulnerable ·TCL
- cpe:2.3:h:tcl:65s434:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TCL
- cpe:2.3:o:tcl:75s434_firmware:*:*:*:*:*:*:*:* Versions before v8-r851t02-lf1v440 Vulnerable ·TCL
- cpe:2.3:h:tcl:75s434:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TCL
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28055
- 2026-10-03 Alias added: GHSA-6f2c-v56g-c746
References
Exploit 3
Advisory 7
- https://twitter.com/sickcodes/
- https://twitter.com/johnjhacking/
- https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdf
- https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdf
- https://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/
- https://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/
- https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvs
More TCL 32s330 Firmware vulnerabilities
- TI-2020-16657 A vulnerability in the TCL Android Smart TV series V8-R851T02-LF1 V295 and below and… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2020-28055 · CVE Program
- CVE-2020-28055 · NVD
- FIRST EPSS
- GHSA-6f2c-v56g-c746 · GitHub Advisory Database · CC BY 4.0
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