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VulnerabilityPublished

CVE-2026-44097: Phoenix Contact CHARX SEC-3150 · Unrestricted File Upload

Affects Phoenix Contact CHARX SEC-3150Source CVE Database V5

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Not known to be exploited · CVSS 5.3 Medium : upgrade to 1.9.1 when convenient.

Data as of 29 Oct 2026, 07:15 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.9.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade CHARX to 1.9.1.

Affected software

ProductAffectedFixed in
Phoenix ContactCHARX SEC-3150Affected
  • >=1.0.0 <1.9.1
Fixed in
  • 1.9.1
Phoenix ContactCHARX SEC-3100Affected
  • >=1.0.0 <1.9.1
Fixed in
  • 1.9.1
Phoenix ContactCHARX SEC-3050Affected
  • >=1.0.0 <1.9.1
Fixed in
  • 1.9.1
Phoenix ContactCHARX SEC-3000Affected
  • >=1.0.0 <1.9.1
Fixed in
  • 1.9.1

AI-suggested

If you cannot patch yet, restrict operator access to trusted personnel and monitor usage of the firmware update REST endpoint to prevent abuse.

Description

CVE-2026-44097 is a vulnerability in Phoenix Contact CHARX SEC-3150 that allows a low-privileged remote attacker with operator access to upload arbitrary files via the REST endpoint used for firmware updates. This can lead to persistent storage of attacker-controlled files and may exhaust device resources, potentially causing a denial-of-service condition.

References

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