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CVE-2022-43546

HIGH
8.8
CVSS Score
Published: November 8, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:06 AM UTC
7 products affected across 1 vendor7KG9501 0AA31 2AA1 Firmware7KG9501 0AA01 2AA1 Firmware7Kg9501-0Aa31-2Aa1

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Severity
HIGH8.8
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P850 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10), SICAM P855 (All versions < V3.10). Affected devices do not properly validate the EndTime-parameter in requests to the web interface on port 443/tcp. This could allow an authenticated remote attacker to crash the device (followed by an automatic reboot) or to execute arbitrary code on the device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

7KG9501 0AA01 2AA1 Firmware· Siemens
95%
v < 2.50
Affected range stops below 2.50, so it looks safe — our inference, not a vendor statement
siemens-7kg9501-0aa01-2aa1 (same device)
7KG9501 0AA31 2AA1 Firmware· Siemens
95%
v < 2.50
Affected range stops below 2.50, so it looks safe — our inference, not a vendor statement
siemens-7kg9501-0aa31-2aa1 (same device)
SICAM P850· Siemens
60%
v < 3.10All versions < V3.10
Affected range stops below 3.10, so it looks safe — our inference, not a vendor statement
SICAM P855· Siemens
60%
v < 3.10All versions < V3.10
Affected range stops below 3.10, so it looks safe — our inference, not a vendor statement
SICAM Q100· Siemens
60%
v < 2.50All versions < V2.50
Affected range stops below 2.50, so it looks safe — our inference, not a vendor statement
7Kg9501-0Aa01-2Aa1· Siemensdevice
80%
All versions
7Kg9501-0Aa31-2Aa1· Siemensdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

MitigationPatchVendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-570294.pdf
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-572005.pdf
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-887249.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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