Post-Authentication OS Command Injection RCE in Danfoss AK-SM8xxA Series

published 2025-08-22 14 mo ago modified 2026-10-19 20 d ago also EUVD-2025-25499

cvss: 8.7; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 4.5%; EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

Improper neutralization of alarm-to-mail configuration fields used in an OS shell Command ('Command Injection') in Danfoss AK-SM8xxA Series prior to version 4.3.1, leading to a potential post-authenticated remote code execution on an attacked system.

Patch / fix

fixed in 1

Danfoss AK-SM8xxA Series 4.3.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-140-03 updated 2025-08-26 cvss 7.6

Danfoss AK-SM 8xxA Series (Update A)

Danfoss AK-SM 8xxA Series <4.3.1
affected: mitigation “For more information, see the Danfoss security advisories.” sm800a.danfoss.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 20 d ago (2026-10-19)

Exploit prediction

4.46% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/msuiche/fromagegate referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Danfoss AK-SM8xxA Series

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

CVE List CVE-2025-41451
NVD CVE-2025-41451

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary