THREATPORT/VULNERABILITY/CVE-2021-46009
CRITICAL SEVERITY

CVE-2021-46009

A3100r Firmware vulnerability

CVSS
9.8
EPSS
12.2%
EPSS pct
96th
Exploited
No known
In Totolink A3100R V5.9c.4577, multiple pages can be read by curl or Burp Suite without authentication. Additionally, admin configurations can be set without cookies.
Affected vendor
Totolink
Affected product
A3100r 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-306 — Missing Authentication for Critical Function
Published
2022-03-30

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 12.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2021-46009

  • Confirm whether Totolink A3100r Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-46009.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-46009

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-46009 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2021-46009?

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