THREATPORT/VULNERABILITY/CVE-2009-5157
HIGH SEVERITY

CVE-2009-5157

Wag54g2 Firmware vulnerability

CVSS
8.8
EPSS
5.8%
EPSS pct
92th
Exploited
No known
On Linksys WAG54G2 1.00.10 devices, there is authenticated command injection via shell metacharacters in the setup.cgi c4_ping_ipaddr variable.
Affected vendor
Linksys
Affected product
Wag54g2 Firmware
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2019-06-11

Risk analysis

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

Its EPSS score of 5.8% 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-2009-5157

  • Confirm whether Linksys Wag54g2 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-5157.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-5157

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-5157 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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