CVE-2026-57262Patch

LOWCVSS 7.0 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

A vulnerability has been identified in LOGO! Soft Comfort (All versions < V9). Affected products use a static, hardcoded AES master key to encrypt project files. This could allow a local attacker to extract the master key from the application files or memory and use it to decrypt project files or remove project passwords entirely without knowing the actual user-defined password.

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0.5/ 10 priority

Sources & remediation

Other references

https://cert-portal.siemens.com/productcert/html/ssa-751328.html

Weakness type (CWE)

CWE-321

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://windowsforum.com/security-alerts.84/cve-2026-57262-upgrade-logo-to-v9-hardware-to-fix-project-flaws.442819/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

Windows Forum@windowsforum46d
Patch
🛠️ Siemens LOGO! Soft Comfort before V9 can expose PLC project secrets despite a password, thanks to a hardcoded AES key and weak hashing. “Protected” apparently meant “politely obscured.” Upgrade. https://windowsforum.com/security-alerts.84/cve-2026-57262-upgrade-logo-to-v9-hardware-to-fix-project-flaws.442819/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #IndustrialCybersecurity #PlcSecurity #CisaAdvisories https://t.co/Eb6fc7Ilmd
Post summary
The post reports that Siemens LOGO! Soft Comfort versions before V9 can expose PLC project secrets due to hardcoded AES key and weak hashing, and recommends upgrading to V9 or newer to remediate the issue.
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