Is CVE-2022-47121 actively exploited?

No active exploitation of CVE-2022-47121 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-47121 be exploited remotely?

Yes. CVE-2022-47121 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-47121?

CVE-2022-47121 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-47121

CWE-787Published: December 30, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey parameter at /goform/WifiBasicSet.

NVD Source

Risk Analysis

A stack overflow exists in the Tenda A15 firmware due to insufficient validation of the wepkey parameter. The critical CVSS score of 9.8 highlights the severity of this flaw, which could lead to full system compromise. There is no evidence of active exploitation in the wild.

No public exploit is currently known for this issue. The vulnerability is remotely exploitable due to its network-based vector and low complexity.

Recommended Action

Apply the latest available firmware updates for the Tenda A15 to address this security flaw.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-47121 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.