CVE-2021-41873

Penguin Aurora TV Box 41502 is a high-end network HD set-top box produced by Tencent Video and Skyworth Digital. An unauthorized access vulnerability exists in the Penguin Aurora Box. An attacker can use the vulnerability to gain unauthorized access to a specific link to remotely control the TV.

Published: 2021-10-26 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-41873 is rated Moderate Risk (60.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.38%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-41873

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 2025-03-17 0.08% 0.38% +0.30%
2 2023-03-07 0.89% 0.08% -0.81%
3 2022-04-01 0.89%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-41873

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.8 [email protected]
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 4.9 [email protected]

Weakness enumeration for CVE-2021-41873

Affected software / configurations for CVE-2021-41873

Vendor Product Version Raw CPE
skyworth penguin_aurora_box_firmware cpe:2.3:o:skyworth:penguin_aurora_box_firmware:-:*:*:*:*:*:*:*

References for CVE-2021-41873

URL Tags
https://www.cnvd.org.cn/flaw/show/2934166 Third Party Advisory
cvelogic Threat Intelligence