Is CVE-2022-43103 actively exploited?

No active exploitation of CVE-2022-43103 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-43103 be exploited remotely?

Yes. CVE-2022-43103 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-43103?

CVE-2022-43103 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-43103

CWE-787Published: November 3, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the list parameter in the formSetQosBand function.

NVD Source

Risk Analysis

A stack overflow vulnerability in the Tenda AC23 router's QoS configuration allows for potential remote code execution. The vulnerability is critical but is not currently known to be exploited in the wild.

No public exploit is known, but the vulnerability is remotely exploitable with low complexity.

Recommended Action

Apply the latest firmware updates for the Tenda AC23 to resolve this 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-2022-43103 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.