THREATPORT/VULNERABILITY/CVE-2020-22079
CRITICAL SEVERITY

CVE-2020-22079

Ac10u Firmware vulnerability

CVSS
9.8
EPSS
4.0%
EPSS pct
89th
Exploited
No known
Stack-based buffer overflow in Tenda AC-10U AC1200 Router US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 allows remote attackers to execute arbitrary code via the timeZone parameter to goform/SetSysTimeCfg.
Affected vendor
Tendacn
Affected product
Ac10u 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)
Published
2021-10-29

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 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2020-22079

  • Confirm whether Tendacn Ac10u Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-22079.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-22079

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-22079 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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