Is CVE-2022-44251 actively exploited?

No active exploitation of CVE-2022-44251 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-44251 be exploited remotely?

Yes. CVE-2022-44251 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-44251?

CVE-2022-44251 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-44251

CWE-78Published: November 23, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

TOTOLINK NR1800X V9.1.0u.6279_B20210910 contains a command injection via the ussd parameter in the setUssd function.

NVD Source

Risk Analysis

TOTOLINK NR1800X firmware contains a command injection vulnerability in the setUssd function via the ussd parameter. This critical flaw allows unauthenticated remote code execution.

No public exploit is known, and it is not in the CISA KEV catalog. It is remotely exploitable with low attack complexity.

Recommended Action

Update the device firmware to the latest version and restrict network access to the device's administrative functions.

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-2022-44251 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.