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CVE-2026-123998 (GCVE-0-2026-123998)

Vulnerability from cvelistv5 – Published: 2026-11-06 18:59 – Updated: 2026-11-09 13:15

Title

Hisense VIDAA Smart TV MQTT Broker Authentication Bypass

Summary

Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an authentication bypass vulnerability in its remote-control MQTT broker on TCP port 36669, which accepts publicly documented default credentials and an ineffective 4-digit pairing PIN with no rate limiting or lockout, allowing a brute force of the entire code space in about five seconds, while some actions require no pairing at all. A LAN-adjacent attacker can exploit this to inject key events, change volume, switch input sources, enumerate inputs, launch arbitrary installed applications, and monitor pairing activity, posing a significant risk in hotel deployments where untrusted LAN access is common.

Severity

7.2 (High)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

8.3 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-11-09 13:14 UTC

CWE

CWE-1392 - Use of Default Credentials
CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

VulnCheck CNA

References

2 references

URL	Tags
https://github.com/yehia-mamdouh/Hisense-Smart-TV…	technical-descriptionexploit
https://www.vulncheck.com/advisories/hisense-vida…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Hisense	VIDAA	Affected: 0000.01.00a.P0220 (custom)

Date Public

2026-11-03 00:00

Credits

Yehia Elghaly (Mrvar0x)

Show details on NVD website

JSON

To clipboard

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CVE-2026-123997 (GCVE-0-2026-123997)

Vulnerability from cvelistv5 – Published: 2026-11-06 18:59 – Updated: 2026-11-09 22:44

Title

Hisense VIDAA Smart TV Unauthenticated DoS via SetAVTransportURI

Summary

Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an unauthenticated denial-of-service vulnerability in the UPnP/DLNA AVTransport SOAP service that allows LAN-adjacent attackers to freeze the entire television software layer by sending a crafted SetAVTransportURI request on TCP port 38400. Attackers can exploit this flaw without credentials to render the device completely unresponsive to remote control or front-panel input, requiring a physical power cycle to restore functionality.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-11-09 22:38 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

VulnCheck CNA

References

2 references

URL	Tags
https://github.com/yehia-mamdouh/Hisense-Smart-TV…	technical-descriptionexploit
https://www.vulncheck.com/advisories/hisense-vida…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Hisense	VIDAA	Affected: 0000.01.00a.P0220 (custom)

Date Public

2026-11-03 00:00

Credits

Yehia Elghaly (Mrvar0x)

Show details on NVD website

JSON

To clipboard

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CVE-2026-123996 (GCVE-0-2026-123996)

Vulnerability from cvelistv5 – Published: 2026-11-06 18:58 – Updated: 2026-11-06 18:58

Title

Hisense VIDAA Smart TV UPnP/DLNA Missing Authentication

Summary

Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains a missing authentication vulnerability in the UPnP/DLNA RenderingControl service on TCP port 38400 that allows a LAN-adjacent attacker to issue SetVolume, SetMute, and SelectPreset(FactoryDefaults) commands after a one-time DLNA pairing with no per-command authentication or session token. Attackers can send a continuous loop of unauthenticated commands to override the physical remote, change volume and mute, and reset all picture and audio calibration settings.

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

4.6 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck CNA

References

2 references

URL	Tags
https://github.com/yehia-mamdouh/Hisense-Smart-TV…	technical-descriptionexploit
https://www.vulncheck.com/advisories/hisense-vida…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Hisense	VIDAA	Affected: 0000.01.00a.P0220 (custom)

Date Public

2026-11-03 00:00

Credits

Yehia Elghaly (Mrvar0x)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "VIDAA",
          "vendor": "Hisense",
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CVE-2026-123995 (GCVE-0-2026-123995)

Vulnerability from cvelistv5 – Published: 2026-11-06 18:57 – Updated: 2026-11-06 18:57

Title

Hisense VIDAA Smart TV SSRF via SetAVTransportURI CurrentURI

Summary

Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an input validation vulnerability in the UPnP/DLNA AVTransport SOAP service that allows a LAN-adjacent attacker to inject arbitrary URIs via the CurrentURI field of SetAVTransportURI without validating the scheme, host, or media legitimacy. Attackers can supply schemes such as http://, file:///data/misc/wifi/, rtsp://, or smb:// to have the TV fetch and render attacker-controlled content after a one-time DLNA pairing, enabling phishing pages, fake firmware prompts, and fake emergency alerts to be displayed, with subsequent commands executing silently.

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

4.6 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CWE

CWE-451 - User Interface (UI) Misrepresentation of Critical Information
CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck CNA

References

2 references

URL	Tags
https://github.com/yehia-mamdouh/Hisense-Smart-TV…	technical-descriptionexploit
https://www.vulncheck.com/advisories/hisense-vida…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Hisense	VIDAA	Affected: 0000.01.00a.P0220 (custom)

Date Public

2026-11-03 00:00

Credits

Yehia Elghaly (Mrvar0x)

Show details on NVD website

JSON

To clipboard

{
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        {
          "defaultStatus": "unaffected",
          "product": "VIDAA",
          "vendor": "Hisense",
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          "value": "Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an input validation vulnerability in the UPnP/DLNA AVTransport SOAP service that allows a LAN-adjacent attacker to inject arbitrary URIs via the CurrentURI field of SetAVTransportURI without validating the scheme, host, or media legitimacy. Attackers can supply schemes such as http://, file:///data/misc/wifi/, rtsp://, or smb:// to have the TV fetch and render attacker-controlled content after a one-time DLNA pairing, enabling phishing pages, fake firmware prompts, and fake emergency alerts to be displayed, with subsequent commands executing silently."
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CVE-2026-123994 (GCVE-0-2026-123994)

Vulnerability from cvelistv5 – Published: 2026-11-06 18:55 – Updated: 2026-11-09 13:14

Title

Hisense VIDAA Smart TV DIAL Service Unauthenticated Access

Summary

Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an unauthenticated access vulnerability in the DIAL (Discovery and Launch) service on TCP port 56789, which accepts control requests from any LAN-adjacent device without authentication, pairing, or user notification. Attackers can query running application states, enumerate installed applications via HTTP response codes, terminate active sessions with a DELETE request, and launch applications or bypass YouTube's Origin check by spoofing the Origin header to disclose viewing activity and subscriptions or disrupt device functionality.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

6.3 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-11-09 13:14 UTC

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck CNA

References

2 references

URL	Tags
https://github.com/yehia-mamdouh/Hisense-Smart-TV…	technical-descriptionexploit
https://www.vulncheck.com/advisories/hisense-vida…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Hisense	VIDAA	Affected: 0000.01.00a.P0220 (custom)

Date Public

2026-11-03 00:00

Credits

Yehia Elghaly (Mrvar0x)

Show details on NVD website

JSON

To clipboard

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CVE-2026-123993 (GCVE-0-2026-123993)

Vulnerability from cvelistv5 – Published: 2026-11-06 18:52 – Updated: 2026-11-09 22:44

Title

Hisense VIDAA Smart TV Unauthenticated WebDriver Remote Access

Summary

Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an unauthenticated access vulnerability where a QA build of the Google Cobalt browser engine exposes the WebDriver automation server on TCP port 4444 across all network interfaces without any authentication or pairing requirement. A LAN-adjacent attacker can connect to the exposed WebDriver service to execute arbitrary JavaScript, read and exfiltrate sensitive localStorage data including ACR telemetry, MAC addresses, ad-service credentials, and location data, inject persistent content onto the display, and access the window.hisense native bridge to perform filesystem read/write and system-state operations.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-11-09 22:39 UTC

CWE

CWE-489 - Active Debug Code
CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck CNA

References

2 references

URL	Tags
https://github.com/yehia-mamdouh/Hisense-Smart-TV…	technical-descriptionexploit
https://www.vulncheck.com/advisories/hisense-vida…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Hisense	VIDAA	Affected: 0000.01.00a.P0220 (custom)

Date Public

2026-11-03 00:00

Credits

Yehia Elghaly (Mrvar0x)

Show details on NVD website

JSON

To clipboard

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Find a vulnerability

Search criteria

6 vulnerabilities by Hisense

CVE-2026-123998 (GCVE-0-2026-123998)

CVE-2026-123997 (GCVE-0-2026-123997)

CVE-2026-123996 (GCVE-0-2026-123996)

CVE-2026-123995 (GCVE-0-2026-123995)

CVE-2026-123994 (GCVE-0-2026-123994)

CVE-2026-123993 (GCVE-0-2026-123993)