THREATPORT/VULNERABILITY/CVE-2022-26210
CRITICAL SEVERITY

CVE-2022-26210

A830r Firmware vulnerability

CVSS
9.8
EPSS
5.7%
EPSS pct
92th
Exploited
No known
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.
Affected vendor
Totolink
Affected product
A830r Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2022-03-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2022-26210

  • Confirm whether Totolink A830r Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-26210.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-26210

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-26210 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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