Is CVE-2022-35266 actively exploited?

No active exploitation of CVE-2022-35266 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-35266 be exploited remotely?

Yes. CVE-2022-35266 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-35266?

CVE-2022-35266 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2022-35266

CWE-125Published: October 25, 2022· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

A denial of service vulnerability exists in the web_server hashFirst functionality of Robustel R1510 3.1.16 and 3.3.0. A specially-crafted network request can lead to denial of service. An attacker can send a sequence of requests to trigger this vulnerability.This denial of service is in the `/action/import_firmware/` API.

NVD Source

Technical Analysis

CVE-2022-35266 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 availability disruption (denial of service), with a CVSS base score of 7.5.