Is CVE-2022-26210 actively exploited?

Yes. CVE-2022-26210 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-26210 be exploited remotely?

The attack vector of CVE-2022-26210 has not been classified yet.

What is the CVSS score of CVE-2022-26210?

CVE-2022-26210 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-26210

UNKNOWNCISA KEVIN THE WILD

CVE-2022-26210

Published: April 11, 2026

Official Description

Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function setUpgradeFW, via the FileName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

NVD Source

Technical Analysis

CVE-2022-26210 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-26210 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.