CVE-2022-41665Network attack vector

Unauthenticated code execution via GET parameter delimiters

Published Oct 11, 2022 · Updated Dec 9, 2025

Improper parameter validation in Siemens SICAM P850, P855, and T allows remote attackers to execute code via a crafted GET request. The affected request parser fails to neutralize delimiters in one undisclosed GET parameter, allowing the argument to control the program counter. Unauthenticated network access is sufficient; affected firmware is before 3.10 on P850 and P855 and before 3.0 on T, and exploitation can also leave the device in a denial-of-service state.

CVSS severity9.8
Critical
EPSS probability1.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper parameter validation in Siemens SICAM P850, P855, and T allows remote attackers to execute code via a crafted GET request. The affected request parser fails to neutralize delimiters in one undisclosed GET parameter, allowing the argument to control the program counter. Unauthenticated network access is sufficient; affected firmware is before 3.10 on P850 and P855 and before 3.0 on T, and exploitation can also leave the device in a denial-of-service state.

The record

CVE
CVE-2022-41665
Published
Oct 11, 2022
Updated
Dec 9, 2025
Vendor
Siemens
Product
SICAM T
Classifications
CWE-141, T0866
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Dec 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <V3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Siemens · SICAM Tversion=0 <V3.0
Siemens · SICAM P850version=All versions < V3.10
Siemens · SICAM P855version=All versions < V3.10

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.8Siemens AGCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-141Improper Neutralization of Parameter/Argument Delimiters
T0866Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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